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Optical Science Technologies for Sale or License

The following are Optical Science technologies offered for sale or license. Viewing technologies for sale is a free service of IdeaConnection.com, as is connecting with the seller if a technology interests you. Click on a heading below for more information.

Optical science is the study of light and its interaction with matter. Optical studies include visible, infrared and ultraviolet light. The three fields associated with optics are optical physics, optical engineering and illumination engineering. Post your optical technology for sale or license here.

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Coded Aperture Snapshot Spectral Imager and Method Therefor

The present invention enables snap-shot spectral imaging of a scene at high image generation rates. Light from the scene is processed through an optical system that comprises a coded-aperture. The opt..

TRANSFORMATION-OPTICAL DESIGN OF RECONFIGURABLE OPTICAL DEVICES

The design method for complex electromagnetic materials is expanded from form-invariant coordinate transformations of Maxwell's equations to finite embedded coordinate transformations. Embedded transf..

High-Speed Multi-Dimensional Beam Scanning System With Angle Amplification

A beam-steering system having high positional resolution and fast switching speed is disclosed. Embodiments of the beam-steering system comprise a diffraction limited optical system that includes a re..

Optical Isolator

Various optical isolator embodiments are disclosed. Embodiments comprise a waveguide section utilizing materials that induce a propagation constant shift that is propagation-direction-dependent. Embod..

SYSTEMS AND METHODS FOR PERFORMING OPTICAL SPECTROSCOPY USING A SELF-CALIBRATING FIBER OPTIC PROBE

Systems and methods for performing optical spectroscopy using a self- calibrating fiber optic probe are disclosed. One self-calibrating fiber optic probe includes a sensing channel for transmitting il..

Multiscale Optical System

A means of enabling an imaging lens system that overcomes some of the costs and disadvantages of the prior art is disclosed. A lens system in accordance with the present invention reduces or eliminate..

Methods, Systems and Computer Program Products for Characterizing Structures Based on Interferometric Phase Data

Structure profiles from optical interferometric data can be identified by obtaining a plurality of broadband interferometric optical profiles of a structure as a function of structure depth in an axia..

IMPLANTABLE SYSTEM FOR DETERMINING THE ACCOMMODATION REQUIREMENT BY MEASURING THE EYEBALL ORIENTATION USING AN EXTERNAL MAGNETIC FIELD

The present invention relates to an implantable system for determining the Akkommodationsbedarfs in an artificial accommodation system by measuring the Augapfelorientierung using an external magnetic ..

MICROARRAY-BASED SPATIAL FILTER

The invention relates to a spatial filter measuring arrangement (1) and a spatial filter measuring device (2) comprising at least one sensor (4, 5; 41I - 41IV; 51) and a spatial filter, wherein electr..

IMPLANTABLE SYSTEM FOR DETERMINING ACCOMMODATION NEED

The invention relates to an implantable system for determining accommodation need in an artificial accommodation system by means of measuring eyeball orientation comprising a) at least one optical sys..

NOVEL ANCHORING LIGANDS FOR SENSITIZERS OF DYE-SENSITIZED PHOTOVOLTAIC DEVICES

The present invention provides novel dyes for dye sensitized photovoltaic conversion devices. The dyes contain novel anchoring ligands, which have a vinyl or phenylethenyl moiety incorporated in the a..

ELECTRO-OPTICAL CAMERA HAVING DEMODULATED DETECTOR ARRAY

Known in the prior art is a camera for registering electromagnetic radiation in a first frequency range, having an electro-optical crystal, an analyzer and a detector array having a plurality of detec..

PATH SENSOR

A path sensor comprises an optical waveguide (40) with a core and a sheath which is at least partly transparent to light at a first end (42) of the optical waveguide (40) and so surrounding light (30)..

BROADBAND METAMATERIAL APPARATUS, METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA

Broadband metamateriai apparatus, methods, systems, and computer readable media are disclosed, as well as exemplary embodiments that provide cloaking, beam steering, and beam focusing. In one exemplar..

GRADIENT INDEX LENSES AND METHODS WITH ZERO SPHERICAL ABERRATION

Gradient index lenses with no aberrations and related methods for making such lenses are described. In one aspect, a gradient index lens can be a substantially spherically-shaped lens that has at leas..

INTERFEROMETRIC CHEMICAL SENSOR ARRAY

The device is a gas/vapor/aerosol/particulate sensor with a receiver/transmitter option. This optical MEMS device is designed to be a self-contained optical bench, integrating of an entire interferome..

Combined fiber-optic absorption and emission measurement apparatus

Disclosed is a spectroscopic system having a fiber-optic probe for simultaneous IR and Raman measurement. The probe includes a single strand of optical fiber, such as sapphire which is suitable for IR..

APPARATUS AND MEASURING ARRANGEMENT FOR DETERMINING THE PARTICLE CONCENTRATION, THE PARTICLE SIZE, THE MEAN PARTICLE SIZE AND THE PARTICLE SIZE DISTRIBUTION OF THE PARTICLES IN A DISPERSE PHASE INSIDE

The invention relates to an apparatus and a measuring arrangement for determining the particle concentration, the particle size, the mean particle size and the particle size distribution of the partic..

ARRANGEMENT, METHOD, AND SENSOR FOR DETECTING FLUID PARAMETERS

The invention relates to an optical measurement arrangement for detecting physical and/or chemical parameters of a fluid sample. Said measuring arrangement comprises an infrared light source, a sample..

FORCE-MOMENT SENSOR

The invention relates to a force-moment sensor for measuring at least one force and/or a moment. Said force-moment sensor comprises a first part (1), a second part (2), and an intermediate optical fib..

Angle of rotation sensor has fiber optical waveguide with fiber-Bragg-grating, where fiber optical waveguide is birefringent in area of fiber-Bragg-grating, which is spaced together

The angle of rotation sensor has a fiber optical waveguide (1) with the fiber-Bragg-grating (2). The fiber optical waveguide is birefringent in area of the fiber-Bragg-grating, which is spaced togethe..

Selection device for converting optical input signal into electrical output signal, has demultiplexer with transmission characteristic whose transmission maxima lie in flank region of transmission cha

The device (1) has a fiber input (7) at which a fiber optical waveguide (2) is attachable. An edge filter arrangement (18) includes an edge filter input (17) and an edge filter output (19), where the ..

Measuring device, particularly optical measuring device, for detecting mechanical stress for detecting mechanical stress, has light source designed to emit variable optical primary radiation in wavele

The measuring device (100) has a light source (101) designed to emit a variable optical primary radiation (407) in a wavelength. The sensor elements (301,302,303) are connected to the mechanical stres..

FLUORESCENCE MICROSCOPE IN A MICROWAVE CAVITY

The present invention relates to an optical imaging system communicatively connected to a microwave energy producing source wherein the combination provides for increases in chemical reaction times an..

APPARATUS AND METHODS OF BROADBAND SECOND HARMONIC GENERATION

Apparatus and methods for second harmonic generation with a waveguide. In one embodiment, a method includes the steps of providing a waveguide, wherein the waveguide has a substrate, and a polydomain ..

ORGANIC ELECTRO-OPTIC MODULATORS WITH TRANSPARENT CONDUCTING ELECTRODES AND RELATED DEVICE STRUCTURES

Electro-optic (EO) modulator and related device structures which can be used in conjunction with high EO materials to lower switching voltage and improve related performance parameters.

Layer by layer self-assembly of large response molecular electro-optic materials by a desilylation strategy

The preparation of robust, thin film materials with large second-order optical nonlinearities through the covalent self-assembly of chromophoric compositions and innovative use of silyl chemistry.

ENERGY-EFFICIENT OPTOELECTRONIC SMART WINDOW

In an aspect, described herein is a dynamically controllable optoelectronic smart window which utilizes a diffraction grating for selective transmission or rejection of a specific region of the electr..

Methods and Devices for Characterizing Particles in Clear and Turbid Media

The invention provides methods and devices for detecting, identifying, classifying and characterizing particles in a fluid sample. Optical analyzers are provided having a rotating and/or translating s..

METHOD AND APPARATUS FOR PRODUCING LINEARIZED OPTICAL SIGNALS

A first form of a method for producing an optical output in substantially linear relationship with an electrical AC signal, includes the following steps: providing a light-emitting transistor having e..

Surface enhanced raman spectroscopy on optical resonator (e.g., photonic crystal) surfaces

Highly sensitive Surface Enhanced Raman Spectroscopy (SERS) sensors are described in the form of a optical resonator and a metal nanostructure deposited on surface of the optical resonator. In one emb..

METHOD AND APPARATUS FOR CALIBRATING A DIGITAL X-RAY RADIATION DETECTOR

The invention relates to a method and to an apparatus (1) for calibrating a digital X-ray radiation detector (4, 14), which is irradiated with X-rays for creating at least one calibrating image, where..

SPECT GAMMA CAMERA, SPECT SCANNER, AND USES OF A SPECT GAMMA CAMERA

The invention relates to a SPECT gamma camera (10) comprising a scintillator (1) to convert incoming gamma quanta (?) having radiation energy especially in the 100 keV to 250 keV range into secondary ..

Optical frequency up-conversion of femtosecond pulses into targeted single bands in the visible and ultraviolet

An apparatus and methods for generating a substantially supercontinuum-free widely-tunable multimilliwatt source of radiation characterized by a narrowband line profile. The apparatus and methods empl..

Fluorescence detection enhancement using photonic crystal extraction

Enhancement of fluorescence emission from fluorophores bound to a sample and present on the surface of two-dimensional photonic crystals is described. The enhancement of fluorescence is achieved by th..

FIBERSCOPES AND FIBER BUNDLES

An elongate imaging fiber bundle may include a plurality of elongate optical fibers coherently arranged in the bundle, the plurality including peripheral fibers at a periphery of the bundle and deep f..

All fiber magneto-optic on-off switch for networking applications

An integrated fiber optic switch based on the magneto-optic effect of magnetic materials suitable for optical fiber networks is presented. The switch is based on the Faraday Effect exhibited by magnet..

Sagnac Interferometric Switch Utilizing Faraday Rotation

A fiber-based, magneto-optic (MO) optical modulator or switch based on Sagnac interferometry is provided. The system uses a magneto-optic Faraday rotator (MOFR) to produce optical modulation with low ..

Optical diffraction arrangement for use in e.g. optical spectral apparatus, has mirror whose reflection plane is aligned parallel to and in symmetry plane of optical diffraction structure, where rays

The arrangement has a mirror (2) whose reflection plane is aligned parallel to and in a symmetry plane of an optical diffraction structure (1). Rays (4.1) that are incident in a defined area outside o..

DEVICE FOR AMPLIFYING LIGHT PULSES

The invention relates to a device (1, 11) for amplifying light pulses (2, 12), comprising a stretcher (4, 14) that temporally stretches the light pulses (2, 12), at least one amplifier (5, 15) that am..

Pixelated, diffractive optical element with two height levels for generating a phase distribution with arbitrary phase shift

The present invention relates to the field of diffractive optics on a pixel-profiled, diffractive optical element for generating an arbitrary, quasi-continuous phase shift.

ADAPTIVE DEFORMABLE MIRROR FOR COMPENSATING ERRORS OF A WAVE FRONT

The invention relates to the production of an adaptive deformable mirror for compensating errors of a wave front. The adaptive mirror, in its most simple form, consists of a thin substrate layer (1) h..

STABILISATION OF THE REPETITION RATE OF A PASSIVELY Q-SWITCHED LASER BY MEANS OF COUPLED RESONATORS

The invention relates to a Q-switched laser comprising a pump light source (1), an optical resonator, in which a laser medium (6) is situated and a passive Q-switch (5). The aim of the invention is to..

DEVICE FOR AMPLIFYING LIGHT PULSES

SCANNING OPTICAL MICROSCOPE WITH LONG WORKING DISTANCE OBJECTIVE

A scanning optical microscope, including: a light source to generate a beam of probe light; collimation optics to substantially collimate the probe beam; a probe-result beamsplitter; a long working-di..

EO POLYMER-BASED DUAL SLOT WAVEGUIDE MODULATORS

Electro-optic modulators are disclosed. An electro-optic modulator comprises an electro-optic polymer layer, semiconductor layers, ferroelectric material layers, and electrodes. The semiconductor laye..

FORMATION OF REFLECTIVE SURFACES IN PRINTED CIRCUIT BOARD WAVEGUIDES

The present invention relates to an apparatus and method for creating an printed circuit board including one or more waveguides having one or more reflective surfaces. Waveguides are embedded within a..

SYSTEM AND METHOD FOR MODULATOR-BASED OPTICAL INTERCONNECTIONS

Systems and methods for modulator-based optical interconnections are disclosed. An optical interconnect system comprises a substrate, a wave path, a coupling structure, and a modulator. The wave path ..

METHOD AND SYSTEM FOR ALIGNING COLOR FILTER ARRAY

A method and system of aligning color filter array are disclosed. Other embodiments are disclosed herein.

SYNTHESIS OF FOUR COORDINATED PLATINUM COMPLEXES AND THEIR APPLICATIONS IN LIGHT EMITTING DEVICES THEREOF

Platinum complexes that exhibit photoabsorption and photoemission, methods of making such complexes, and applications thereof are disclosed, including optical devices comprising the complexes.

APPLICABLE FLUORESCENCE OF DIAMONDOIDS

Provided is a fluorescent diamondoid material which when energized, either by an electric field or by high energy radiation, emits light. The light emitted is generally in the visible range. The diamo..

SOFTWARE-CONTROLLED MASKLESS OPTICAL LITHOGRAPHY USING FLUORESCENCE FEEDBACK

A software-controlled maskless optical lithography system uses fluorescence feedback to control an aspect of the lithography, such as light source dose, wavelength, or flashing instances or duration, ..

OPTICAL DEVICE COMPONENTS

Embodiments of the invention relate to an apparatus including a light source to generate a plurality of light beams with each of the plurality of light beams having a different wavelength range. The a..

NOISE CANCELLATION IN FOURIER TRANSFORM SPECTROPHOTOMETRY

Increasing signal to noise ratio in optical spectra obtained by spectrophotometers. An interferometer introduces interference effects into a source light beam. A dual beam configuration splits the sou..

OPTICAL SPECTROSCOPY DEVICE FOR NON-INVASIVE BLOOD GLUCOSE DETECTION AND ASSOCIATED METHOD OF USE

An apparatus for concentrating light and associated method of use is disclosed. This apparatus includes a first outer wall having an anterior end, a posterior end, an inner surface and an outer surfac..

ADAPTIVE LENS FOR VISION CORRECTION

An adaptive liquid crystal lens system comprising a first substrate assembly, a second substrate assembly having a continuous phase profile, and a liquid crystal layer disposed between the first and s..

EXTERNAL/INTERNAL OPTICAL ADAPTER WITH BIASED PHOTODIODES FOR FTIR SPECTROPHOTOMETER

A Fourier Transfer Infrared (FTIR) spectrophotometer having reduced baseline noise. The system and method include internal or external optical adapters having a moveable beamsplitter for splitting the..

OPTICAL BARRIER TO PESTS

A device generates a light barrier that can be used for different purposes. The barrier consists of one or more surfaces (or volume) exhibiting an abrupt change in light intensity. In some embodiments..

SYSTEMS AND METHODS FOR STORING OPTICAL DATA

An optical data storage system and method of use thereof are presented. The optical data storage system includes one or more optical buffer modules connected in series. Each optical buffer module incl..

DEVICES AND METHODS FOR PROVIDING STIMULATED RAMAN LASING

Devices and methods for providing stimulated Raman lasing are provided. In some embodiments, devices include a photonic crystal that includes a layer of silicon having a lattice of holes and a linear ..

CONFOCAL DOUBLE CRYSTAL MONOCHROMATOR

A monochromator is adapted to select at least one band of wavelengths from diverging incident radiation. The apparatus includes a first crystal and a second crystal. A band of emitted wavelengths of t..

LASER DEVICE COMPRISING A DIFFRACTION GRATING AND COUPLED LASER RESONATORS

The present invention provides a laser device wherein one diffraction grating (1) and at least two reflectors (4, 2) are arranged such that two coupled resonators (A, B) are formed for the light path...

SURROUND STRUCTURED LIGHTING FOR RECOVERING 3D OBJECT SHAPE AND APPEARANCE

Disclosed are methods and apparatus for recovering the shape and appearance of an object illuminated by a coded structured light pattern that is observed by a camera, which simultaneously captures mul..

ENHANCED MAGNETIC DIPOLE TRANSITIONS IN LANTHANIDE MATERIALS FOR OPTICS AND PHOTONICS

An optically active material contains a mixture of Lanthanide ions and an optical scattering agent, where the optical scattering agent is selected to enhance magnetic dipole transitions from Lanthanid..

System and Method for Detecting and Analyzing Particles Utilizing Online Light Scattering and Imaging Techniques

A chromatographic system that includes a light source and an imaging and analysis system for detecting particle size and analyzing other characteristics of particles in the effluent of a filtration co..

Polarization Converter, Optical system, Method and Applications

A stress-induced polarization converter in the form of a zero power optical window or, alternatively, a single element, positive or negative power optical lens, that is subject to a controlled amount ..

Spectral Filtering Method and Apparatus in Optical Parametric Chirped Pulse Amplification

Method and apparatus embodiments of the invention are directed to mitigating temporal contrast degradation in optical parametric chirped pulse amplification (OPCPA) laser systems. A spectral filter is..

STEPPED LIGHT COLLECTION AND CONCENTRATION SYSTEM, COMPONENTS THEREOF, AND METHODS

A light guide includes a light guide layer having a transversely oriented side-end surface that forms a primary output aperture (exit) for light traveling in a forward propagation direction out of the..

DIMPLED LIGHT COLLECTION AND CONCENTRATION SYSTEM, COMPONENTS THEREOF, AND METHODS

A light guide apparatus includes a light guide layer further including light injection elements and respective light bypass elements disposed optically upstream of the light injection elements. The li..

SINGLE-SHOT OPTICAL CROSS-CORRELATOR APPARATUS AND METHOD

An apparatus and method pertaining to a single-shot cross-correlator based on a pulse replicator is described. The correlator uses a discrete sequence of sampling pulses that are nonlinearly mixed wit..

All-Optical Flip-Flop and Control Methods Thereof

Embodiments of the invention pertain to remote optical control of holding beam-type, optical flip-flop devices, as well as to the devices themselves. All-optical SET and RE-SET control signals operate..

Apparatus and Methods Using Highly Optically Dispersive Media

Embodiments of the invention pertain to the optical phenomena of 'slow-light' and 'fast-light', provided by a highly optically dispersive medium; that is, one in which the absolute value of the group ..

FLOW CELL AND SYSTEM FOR DETECTION OF TARGET IN AQUEOUS ENVIRONMENT USING ARRAYED IMAGING REFLECTOMETRY

A flow cell for use in an arrayed imaging reflectometry detection system is described herein. The flow cell includes: first and second members that are secured together to define a substantially fluid..

ENHANCED SURFACE-SELECTIVE SPECTROSCOPY USING BROAD-BAND HETERODYNE-DETECTED SUM FREQUENCY GENERATION

Method and apparatus for performing spectroscopy, include the combining of first and second light beams to form a reference beam, focusing the first and second light beams and the reference beam onto ..

Resonant Optothermoacoustic Detection of Optical Absorption

A device comprising an acoustic detector, one or more thermal sensing elements coupled to the acoustic detector, and a light source. A method comprising directing a beam of light at a wavelength at or..

Fast wavelength tuning techniques for external cavity lasers

An apparatus comprising a laser source configured to emit a light beam along a first path, an optical beam steering component configured to steer the light beam from the first path to a second path at..

Optical Rectification Device and Method of Making Same

A general approach is provided for producing devices that absorb optical photons (visible to near IR) and performs charge separation with a useful voltage between holes and electrons. These holes and ..

DUAL-RING SILICON ELECTRO-OPTIC MODULATOR

A device, system, and method for the electro-optic modulation of light. The device includes a substrate having a first ring waveguide and a second ring waveguide on the surface. The device includes a ..

ULTRA-WIDE BAND SLOW LIGHT STRUCTURE USING PLASMONIC GRADED GRATING STRUCTURES

A slow light system includes a substrate and a metal layer formed thereon, the metal layer having a graded grating structure formed at a surface thereof, wherein the grating depth of the grating struc..

VERTICAL PLASMONIC MACH-ZEHNDER INTERFEROMETER

An optical device includes first and second optical branches. The first optical branch is formed at an interface between a first substrate and a second substrate, and the second optical branch is form..

METHODS AND DEVICES FOR GENERATION OF BROADBAND PULSED RADIATION

Methods and apparatus for non-collinear optical parametric amplification (NOPA) are provided. Broadband phase matching is achieved with a non-collinear geometry and a divergent signal seed to provide ..

ESTABLISHING COMPATIBILITY BETWEEN TWO-AND THREE DIMENSIONAL OPTICAL COHERENCE TOMOGRAPHY SCANS

Advances in optical coherence tomography (OCT) have prompted a transition from time domain OCT, providing 2D OCT images, to spectral domain OCT, which has a 3D imaging capability. Yet conventional tec..

MICROREACTOR FOR SOLUTION DEPOSITION AND METHOD OF USE

A novel microreactor producing customized deposition products and a method for optimizing the deposition process. The microreactor has a unique design with high surface-to-volume ratio that produces h..

COMPOSITIONS AND METHODS FOR GENERATING WHITE LIGHT

Crystalline inorganic-organic hybrid structures having a plurality of layers of a repeating unit characterized by a first organic ligand layer, a second organic ligand layer, and a two- dimensional se..

OPTICAL ELEMENT, METHOD FOR PROVING THE PRESENCE OF SUBSTANCES, AND APPLICATION OF THE OPTICAL ELEMENT

The invention relates to an optical element for proving the presence of a substance having a photonic crystal (1), the cavities of which are filled with a fluid, and which is arranged between two cros..

Device and method for the detection of biological material

Device for the detection of biological material, with a light (2) into an object (5) irradiating light source (1), where the object is brought into contact with a photonic crystal, and a photonic thro..

METHOD AND APPARATUS FOR MAKING AND DETECTING A DOCUMENT VERIFICATION INDICATOR USING OPTICAL PATTERN ENCRYPTION

A method and apparatus for creating and detecting an optically encoded document having a uniquely designed document verification indicator is disclosed. One embodiment includes applying a spatially va..

OPTICAL THIN-FILM STRUCTURE WITH A DISTRIBUTED CAVITY

In an optical thin-film structure (2) with a periodic variation of the refractive index along an optical axis (1), wherein the variation comprises a multiplicity of periods and wherein an optical leng..

LAY-UP HEAD AND METHOD FOR A CONTROLLED LAY UP OF CUT-TO-LENGTH FIBRE STRANDS

The present invention relates to a lay-up head for a controlled lay up of a cut-to-length fibre strand. The lay-up head comprises a specially constructed transport channel, which allows the supplied e..

OPTICAL LEAKY INTEGRATE-AND-FIRE NEURON

An optical system includes an optical integrator, a readout mechanism, and an optical thresholder. The optical integrator is configured to perform temporal integration of an optical input signal havin..

ORGANIC PHOTOSENSITIVE DEVICES

The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photosensitive optoelectronic devices having a photoactive organi..

ORGANIC PHOTOSENSITIVE DEVICES USING SUBPHTHALOCYANINE COMPOUNDS

An organic photosensitive optoelectronic device, having a donor-acceptor heterojunction of a donor-like material and an acceptor-like material and methods of making such devices is provided. At least ..

METHOD FOR SUPPRESSING LIGHT SHIFT IN OPTICAL PUMPING SYSTEMS

The present invention relates to a method and system to suppress or eliminate light shift in an optical pumping system, such as an atomic clock. The method uses modulation of a radiation source, such ..

ORGANIC LIGHT-EMITTING DEVICE WITH A PHOSPHOR-SENSITIZED FLUORESCENT EMISSION LAYER

The present invention relates to organic light emitting devices (OLEDs), and more specifically to OLEDS that emit light using a combination of fluorescent emitters and phosphorescent emitters. The emi..

Very high efficiency organic light emitting devices based on electrophosphorescence

The invention relates to an organic light emitting device comprising an anode, a cathode, and an emissive layer, wherein the emissive layer is located between the anode and the cathode, and the emissi..

SYSTEM AND METHOD FOR COUPLING A MULTI-MODE OPTICAL FIBER TO A SINGLE MODE OPTICAL FIBER

A multi-mode to single mode optical interface device includes an optically pumped edge emitting semiconductor laser device and a lens. The optically pumped edge emitting semiconductor laser device inc..

SYSTEM, OPTODE AND CAP FOR NEAR-INFRARED DIFFUSE-OPTICAL FUNCTIONAL NEUROIMAGING

An optode for a functional infrared diffuse optical neuroimaging system uses a GRIN lens and prism for coupling to an optical fiber at a right-angle to the lens. The lens is inserted into a grommet fo..

OPTICAL FIBER PRESSURE SENSOR WITH UNIFORM DIAPHRAGM AND METHOD OF FABRICATING SAME

An optical fiber sensor (100) can be used to measure pressure with high sensitivity and fine resolution. As a cavity (108) at the end of the sensor expands or contracts, the spectrum of a beam reflect..

FLEXIBLE ELECTROCHROMIC DEVICE, ELECTRODES THEREFOR, AND METHOD OF MANUFACTURE

An electrochromic fiber or fabric using electrochromic fiber electrodes (72, 74) is disclosed. The fiber or fabric includes a flexible, electrically- conductive fiber (76, 78), and a layer (80, 92) co..

Resonant Leaky-Mode Photonic Elements and Methods for Spectral and Polarization Control

Optical devices with versatile spectral attributes are provided that are implemented with one or more modulated and homogeneous layers to realize leaky-mode resonance operation and corresponding versa..

Self-propelled tilling device e.g. robot, navigating method, involves determining driving direction by evaluating determined vectors and by controlling distance to preceding tracks, and forming meande

The method involves capturing surrounding images e.g. 360 degree panorama image, in track points by a camera module (10). Vectors from actual track points to two preceding track points are determined ..

METHOD FOR STABILIZING A LASER BEAM

The invention relates to a method for stabilizing a laser beam, which performs a reciprocating movement about a pivot point, at an examination location, in which the pivot point (D1) of the reciprocat..

METHOD FOR MEASUREMENT OF THE FORCE WHICH ACTS ON AN OBJECT WHICH IS HELD IN OPTICAL TWEEZERS/AN OPTICAL CATCH, AND OPTICAL TWEEZERS/AN OPTICAL CATCH

The invention relates to a method for measurement of the force which acts on an object which is held in optical tweezers/an optical catch, in which the light which is scattered back from the held obje..

METHOD AND APPARATUS FOR GENERATING TWO LIGHT WAVES WHICH HAVE STABLE FREQUENCIES RELATIVE TO ONE ANOTHER

The invention relates to a method for generating two light waves (3, 11) which have stable frequencies relative to one another, in which method an accumulation of particles of a lambda system is illum..

SYSTEMS, DEVICES, AND METHODS EMPLOYING FIBER OPTIC SHAPE TRACKING

The present invention provides systems, devices, and methods employing fiber optic shape and position tracking. The systems, devices, and methods permit measurement of and continuous tracking of the s..

OPTICAL DEVICES FEATURING NONPOLAR TEXTURED SEMICONDUCTOR LAYERS

A semiconductor emitter, or a precursor therefor, has a substrate and one or more textured semiconductor layers deposited onto the substrate in a nonpolar orientation. The textured layers enhance ligh..

METHOD FOR IDENTIFYING IN PARTICULAR UNKNOWN SUBSTANCES BY MASS SPECTROMETRY

The problem was to be able to use the mass spectrometrical analysis at the same time to determine the structure and/or families and/or the chemical properties of said substances, free of subjective ev..

DEVICE AND METHOD FOR ANGULARLY RESOLVED SCATTERED LIGHT MEASUREMENT

The invention relates to a device for angularly resolved scattered light measurement, comprising an illuminating device having a light source (1) for illuminating a sample (6) with light at a non-vani..

MOUNTED OPTICAL COMPONENT, METHOD FOR THE PRODUCTION THEREOF AND USE OF SAME

The invention relates to a mounted optical component and to a method for producing mounted optical components. The invention also relates to the use of mounted optical components.

DEVICE FOR AMPLIFYING AND/OR TRANSPORTING ELECTROMAGNETIC RADIATION

The invention relates to a device (1) for amplifying and/or transporting electromagnetic radiation, comprising a radiation source (2) for generating the electromagnetic radiation and an amplifier (4) ..

Device for improving contrast ratio of short pulse laser utilized in e.g. radiation therapy, has plasma mirror or target material arranged relative to radiation of pulses in laterally displaceable man

The device has a plasma mirror at which plasma for reflection of a main pulse of laser radiation is produced by incidence of a laser pulse i.e. prepulse. An intermediate chamber (4), vacuum chambers (..

PIXELATED, DIFFRACTIVE OPTICAL ELEMENT HAVING TWO SCALE FACTORS FOR PRODUCING A PHASE DISTRIBUTION HAVING AN ARBITRARY PHASE SHIFT

The present invention relates in the field of diffractive optics to a pixelated, diffractive optical element for producing an arbitrary quasi-continuous phase shift.

Method for three-dimensional reconstruction of objects for projecting pattern sequences on reconstructing object, involves detecting pattern sequences in form of pattern views, which are compared with

The method involves detecting pattern sequences in the form of pattern views, which are compared with each other in different image views. One or multiple corresponding pixels or image pixels are assi..

METHOD FOR PRODUCING AN OPTICAL ASSEMBLY HAVING AT LEAST TWO OPTICAL FUNCTIONAL SURFACES, AN OPTICAL DEVICE AND UNIT FOR CARRYING OUT THE METHOD

The invention relates to a method for producing an optical assembly, comprising at least two optical functional surfaces (5, 6) arranged in a fixed positional relationship to one another on a common s..

TRANSVERSE MODE FILTER FOR WAVEGUIDES

The invention relates to a transverse mode filter in an optical waveguide (3). The aim of the invention is to produce a transverse mode filter that permits a monolithic construction of a laser in a mu..

STABILISATION OF THE REPETITION RATE OF A PASSIVELY Q-SWITCHED LASER BY MEANS OF COUPLED RESONATORS

OPTICAL DEVICE FOR PRODUCING A FRUSTRATION-CAPABLE TOTAL INTERNAL REFLECTION AND USE THEREOF

The aim was to create a device for frustration-capable total internal reflection having the lowest possible design effort and a small size, by means of which the optical conditions of the total reflec..

Systems and Methods of All-Optical Fourier Phase Contrast Imaging Using Dye Doped Liquid Crystals

An assembly for converting a microscope into a phase contrast microscope includes a first optical Fourier element that Fourier transforms light from a coherent light source, a cell in the Fourier plan..

OPTICAL SYSTEM THAT SELECTIVELY PROVIDES EITHER OF A COLLIMATED LIGHT BEAM OR A CONVERGENT LIGHT BEAM

There is provided a method that includes projecting a collimated light beam from an optical system to a plane during a first mode of operation of the optical system, and projecting a convergent light ..

CONTROLLING ABSORPTION OF LIGHT IN A CAVITY

Described is a method of controlling the absorption of light in a cavity, a system in which absorption is so controlled, and an interferometer embodying the underlying physical concept. Materials can ..

METHOD AND APPARATUS FOR EFFICIENT DIRECT GENERATION AND DELIVERY OF ULTRASHORT LASER PULSES

A method and apparatus are disclosed for the direct generation and efficient non-dispersive delivery of broadband few-cycle femtosecond laser pulses by temporal solitonic compression of low-energy ult..

SYSTEM AND METHOD FOR OBTAINING HIGH-CONTRAST IMAGES OF THE VASCULAR TREE OF THE FUNDUS OF THE EYE

The invention relates to a system for obtaining high-contrast images of the vascular tree of the fundus of the eye, which offers a non-invasive alternative to retinal angiography.

METHOD AND APPARATUS FOR MEASURING THE OPTICAL FORCES ACTING ON A PARTICLE

Apparatus and method for measuring the optical forces acting on a trapped particle. In one embodiment, the apparatus and method can be adapted for insertion in the optical train of an optical microsco..

LIGHT-EMITTING DEVICE BASED ON NANOCRYSTALS WITH INTEGRATED HIGH-SPEED MODULATION

The invention relates to a method and a device which can be used to modulate an electrically excited light source according to an electric signal and which can be used for silicon photonics. The devic..

PHOTOTHERMAL DETECTION SYSTEM

A photothermal system for performing high throughput single particle detection, the system comprising: a first optical path for directing a probe laser beam (PB) and a heating laser beam (MHB) towards..

OPTICAL TACTILE SENSORS

A sensor for sensing pressure is described. Such a sensor may be a pressure sensor for sensing pressure, or a tactile sensor for sensing tactile events through pressure measurement. The sensor compris..

Grating Structures for Simultaneous Coupling to TE and TM Waveguide Modes

Disclosed are an integrated optical coupler, and a method of optically coupling light, between an optical element and at least one integrated optical waveguide. The optical coupler includes a grating ..

METHODS AND SYSTEMS FOR REDUCING POLARIZATION DEPENDENT LOSS

An photonics integrated circuit (11) for processing radiation. The photonics integrated circuit (11) comprises a first two-dimensional grating coupler (14) for coupling in radiation, a second two-dime..

METHODS AND SYSTEMS FOR OPTICAL BUFFERING

The present invention describes an optical buffer (100) for buffering optical signals. The optical buffer comprises a plurality of fibre delay lines (110) of different lengths and a controller (120) a..

Retro-Reflective Structures

A photonic integrated circuit (410) is described comprising at least one signal processing circuit (110). The signal processing circuit (110) comprises at least one input coupling element (120) for co..

METHOD AND SYSTEM FOR COUPLING RADIATION

The present invention relates to a coupler (100) for coupling radiation to one optical element. The coupler (100) comprises a splitter (110) for splitting a received radiation beam in at least two rad..

WAVEGUIDE INTEGRATED PHOTODETECTOR

A waveguide integrated photodetector (100) is described. The waveguide integrated photodetector comprises a first layer (110) of plasmon supporting material whereby the first layer (110) has an input ..

DIFFRACTIVE HEAD-UP DISPLAY DEVICE PROVIDED WITH A DEVICE FOR ADJUSTING THE POSITION OF THE VIRTUAL IMAGE

The invention relates to a diffractive head-up display device comprising a projection unit generating a light beam to be directed towards a diffractive combiner, the projection unit comprising a light..

DEVICE FOR PROJECTING STRUCTURED LIGHT USING VCSELS AND PHASE DIFFRACTIVE OPTICAL COMPONENTS

The invention relates to a device for projecting structured light in the form of fringes or other patterns using laser sources, which includes an optical head (1) including three consecutive elements ..

OPTICAL DEVICES AND METHODS OF MANUFACTURE OF OPTICAL DEVICES

A method for performing a multi-stage dilation of optical fibres is described, the method comprising performing successive dilation steps such that the adiabatic condition is maintained throughout the..

SYSTEM AND METHOD FOR MEASURING OPTICAL SIGNAL-TO-NOISE RATIO

The invention provides a system and method for measuring optical signal-to-noise-ratio (OSNR) in an optical communication system. A channel filter is adapted to select one specific optical communicati..

CORRECTION OF OPTICAL LATERAL CHROMATIC ABERRATION IN DIGITAL IMAGING SYSTEMS

A technique for removing the effects of a particular optical aberration: Lateral Chromatic Aberration (LCA) in digital imaging systems is presented. The process is targeted on single, multi-spectral s..

ELECTROLUMINESCENT DEVICE

The present invention relates to an electroluminescent device (1). The device comprises a transparent substrate (6), formed from a mouldable material. The device also comprises a transparent electron ..

OPTICAL BIOCHIP PLATFORM WITH PLASMONIC STRUCTURE

Luminescent sensors which are configured such that operably plasmonic effects contribute to the output of the sensors are described. In a preferred arrangement there is provided a sensor having an opt..

AN OPTICAL AMPLIFIER, A LASER AND METHODS OF MANUFACTURE THEREOF

An optical waveguide device (2000) comprising at least one optical waveguide (2002) formed within a bulk optical material (2001), the waveguide having a central longitudinal axis (2004), and a grating..

CONTINUOUS-WAVE LASER

A continuous wave Raman laser for producing visible laser output comprising: a resonator cavity; at least a first reflector and a second reflector said first and second reflectors being located at opp..

METHOD AND APPARATUS FOR WRITING GRATING STRUCTURES USING CONTROLLED PHASE DELAY BETWEEN BEAMS

A method of writing a grating structure with at least one of predetermined amplitude, period and phase properties in a photosensitive waveguide, the method comprising providing at least two light beam..

METHOD AND SYSTEM FOR POLARIZATION SUPPORTED OPTICAL TRANSMISSION

A method comprising splitting a received optical signal into split optical signals, the split optical signals being at least initially orthogonally polarized, coherently detecting at least one of the ..

OPTICAL ANALYSIS SYSTEM AND METHOD

An optical system comprising: a nonlinear material having a ferroelectric domain structure, the nonlinear material capable of converting first and second optical signals respectively to first and seco..

Methods and systems for frequency stabilisation of multiple lasers

A system and method for stabilising a plurality of output frequencies (wavelengths) of a plurality of lasers (106). The laser beams are combined using optical multiplexer (110) and coupled into length..

FLUORESCENCE LIFETIME IMAGING

A method of measuring fluorescence from a location, the method comprising applying to the location a first fluorescence excitation signal having a first duty cycle, accumulating as a first result fluo..

OPTICAL COLLIMATOR AND LIGHT COLLECTION ASSEMBLY HAVING A CONCAVE REFLECTING SURFACE

Optical collimators, light collectors and focussing devices using reflective optics. A monolithic construction may be used.

OPTICAL STRUCTURES

Apparatus and methods to ablate a desired region, part or pattern in a metal layer (8) formed on a substrate (7), to reveal the substrate at that region (23), and to process the revealed region to for..

OPTICAL DISPLACEMENT SENSOR

The present invention relates to a compact and inexpensive optical displacement sensor that does not require accurate control of the distance to the object. A repetitive optical structure is utilized ..

AN OPTICAL ENCRYPTION AND DECRYPTION METHOD AND SYSTEM

The invention relates to securing of information utilising optical imaging technologies and more specifically to phase encryption and decryption of images. An image is encrypted into a mask having a p..

OPTICAL ARRANGEMENT AND METHOD

Processing of electromagnetic radiation is described, said incoming electromagnetic radiation comprising radiation in a first wavelength interval and a plurality of spatial frequencies. An arrangement..

METHOD AND DEVICE FOR MEASURING THE FORCE ACTING ON AN OBJECT TRAPPED IN AN OPTICAL TRAP ARRANGEMENT

The invention relates to a method for measuring the force acting on an object trapped in an optical trap arrangement, wherein a laser beam (1) is focused by means of a trap lens (2), and an object is ..

METHOD AND DEVICE FOR SUPPORTING PROPERTIES OF AN OBJECT IN A MEDIUM

The invention relates to a method to support the properties of an object in a medium and the use of the method and a device to carry out the method. According to the invention, a method is provided to..

OPTICAL DEVICES AND METHODS

An optical method comprises allowing light to become incident on an SLM, the SLM having a spatially varying property that affects light, and causing light affected by the property at one location to i..

LIGHT EMITTING DEVICE HAVING VERTICALLY STACKED LIGHT EMITTING DIODES

Disclosed is a light emitting device having vertically stacked light emitting diodes. It comprises a lower semiconductor layer of a first conductive type positioned on a substrate, a semiconductor lay..

ANALYZER AND ANALYSIS METHOD

[PROBLEMS] To reduce the amount of, for example, a capturing antibody to be employed without lowering detection sensitivity. At the same time, to enable the achievement of intense color development o..

Curable resin composition

A resin composition having a viscosity suitable for encapsulating optical devices such as light-emitting devices is provided. Specifically, the cured product of the resin composition has a refractive ..

TERAHERTZ SIGNAL GENERATOR

A signal generator (1) including an optical radiation means for generating a first optical radiation (4) having a first frequency, a second optical radiation means (5) having a second frequency and a ..

ERBIUM-DOPED OPTICAL GLASS

PROBLEM TO BE SOLVED: To provide an erbium-doped optical glass having the advantage that it has a gain profile which is both smoother and broader than known silica-based glasses. ; SOLUTION: The erbiu..

COMPENSATION FOR THE GOUY PHASE SHIFT IN QUASI-PHASE MATCHING

A sample of nonlinear optical material for use in a nonlinear optical device contains a grating comprising alternating regions of inverted and non-inverted nonlinear coefficient of the material, with ..

AN OPTICAL DEVICE

An improved optoelectronic device is described, which employs optically responsive nanoparticles and utilises a non-radiative energy transfer mechanism. The nanoparticles are disposed on the sidewalls..

APPARATUS FOR THE ABSOLUTE MEASUREMENT OF TWO DIMENSIONAL OPTICAL PATH DISTRIBUTIONS USING INTERFEROMETRY

An apparatus for the absolute measurement of a two dimensional optical path distribution comprising: a light source (4) for illuminating an object (26) with light having a plurality of wavelengths: an..

Measurement system having a detector array for detecting interference fringes

The invention relates to the measurement of physical properties including spatial metrology, such as a translational and/or angular position determination system. Further uses include the analysis of ..

INTERFACES AND METHOD FOR WIRELESS-OPTICAL AND OPTICAL-WIRELESS CONVERSION

A wireless-optical interface device for converting a received wireless signal to a corresponding optical signal for transferring digital information from the wireless domain to the optical domain. The..

PRESSURE MEASUREMENT DEVICE

A non-invasive device adapted to measure intraocular pressure (IOP) comprising: a pressure sensor mounted on a soft contact lens to be worn on the eye of a subject, wherein the device is adapted such ..

APPROXIMAL IMAGING DEVICE

The invention relates to an intraoral approximal assessment device comprising an approximal optical portion adapted to fit within an intraoral approximal space, a means of applying a disclosing substa..

Core mounting structure and camera device

A core mounting structure and a camera device are disclosed. The core mounting structure includes a frame body. The frame body includes sidewalls that are opposite to each other. A core mounting brac..

Large scale liquid crystal structures

A liquid crystal structure (200) comprising first and second reflective regions (214a, 214b, 214c) arranged to reflect respective first and second colours. The first and second reflective regions (214..

CONDUCTIVE POLYMER COMPOSITIONS IN OPTO-ELECTRICAL DEVICES

a polymer having a HOMO level greater than or equal to-5.7eV and a dopant having a LUMO level less than-4.3eV. TM KIPO & WIPO 2009

METHOD OF FORMING AN IMAGE AND IMAGE PROJECTION DEVICE

A method of forming an image comprising providing a device for imparting respective phase-shifts to different regions of an incid not ent wavefront, wherein the phase shifts give rise to an image in a..

AN INTEGRATED PLANAR POLYMER WAVEGUIDE FOR LOW-LOSS, LOW-CROSSTALK OPTICAL SIGNAL ROUTING

The present invention provides a planar waveguide. In one embodiment, the planar waveguide includes first and third layers formed above a substrate and adjacent each other. The first and third layers ..

OPTICAL BEAM STEERING

This invention generally relates to an optical beam steering apparatus and a method of manufacturing an optical beam steering apparatus, and more particularly to an optical add drop multiplexer (OADM)..

PHASE MODULATION DEVICES FOR OPTICAL APPLICATIONS

An optical phase modulation device having a layer of flexoelectro-optic effect liquid crystal material and electrode for applying an electric field to the layer of liquid crystal material. In this way..

LIQUID CRYSTAL DEVICE COMPRISING CHIRAL NEMATIC LIQUID CRYSTAL MATERIAL IN A HELICAL ARRANGEMENT

This invention generally relates to a liquid crystal device, and more particularly to such a device in the form of a liquid crystal cell such as for a display device, and further relates to a display ..

LIQUID CRYSTAL DEVICE COMPRISING A POLYMER TEMPLATE WITH PERIODIC VOIDS AND MANUFACTURING METHOD THEREFOR

This invention generally relates to methods of forming a template for a liquid crystal device, a method of forming a structure for a liquid crystal device, a structure for a liquid crystal device, a m..

HIGH-SPEED OPTICAL TRANSCEIVER, A BI-DIRECTIONAL DUPLEX OPTICAL FIBER LINK, AND A METHOD FOR PROVIDING A BI-DIRECTIONAL DUPLEX OPTICAL FIBER LINK

A duplex optical fiber link is provided that includes two bi-directional optical fiber links. Each of the bi-directional links includes a multimode optical fiber and an optical transceiver connected t..

Composite optical materials, uses of composite optical materials and methods for the manufacture of composite optical materials

A thermochromic composite optical body formed of a composite optical material. The material has a three dimensionally periodic arrangement of particles of a first material having refractive index n1 d..

Conductive Polymer Compositions in Opto-Electrical Devices

A conductive polymer composition comprising: a polymer having a HOMO level greater than or equal to -5.7 eV and a dopant having a LUMO level less than -4.3 eV.

Arrangement for laser system, particularly solid laser system and optical amplification device, and for optical amplification of light beam, comprises two lenses and polarization rotating unit

The arrangement comprises two lenses (L1,L2) and polarization rotating unit, which are arranged between opposite end surfaces (1a,2a) of two stretched elements (1,2). The two stretched elements are ma..

DATA TRANSFER OPTICAL ELECTRONIC DEVICE

PROBLEM TO BE SOLVED: To provide a data transfer optical electronic device 300 operated in a pulse organization, which emits a pulsed laser beam, and including: an active section 106 having an active ..

Device for wavelength conversion of optical signal wavelength into another wavelength, has laser light source, which emits optical signal of wavelength

The device has laser light source, which emits an optical signal (S1) of a wavelength (Lambda1), and another laser light source (L2), which emits another optical signal (S2) of another wavelength (Lam..

Device for examining eyes

The device for the investigation and/or treatment of an eye, in particular a gap lamp microscope, covers a supply line and a module. The module is connected for supply with electricity with the supply..

Through-container optical evaluation system

An apparatus, and method of its use, to determine a characteristic of a fluid sample contained inside a closed container. The ratio of intensity for detected radiation (e.g., light), subsequent to its..

REAR PROJECTOR DEVICE

PROBLEM TO BE SOLVED: To provide a rear projector device whose screen adjustments can precisely be made. ; SOLUTION: An optical sensor 17 is arranged between a projection lens 2 and a screen 4 in a po..

ILLUMINATION SOURCE THAT EMITS REDUCED SHORT WAVELENGTHS OF LIGHT TO PROTECT EYES

The object of this invention is an illumination source that reduces, to a variable extent, the emission of short wavelengths of light to protect healthy and/or pseudophakic eyes (subjected to cataract..

Surface plasmon resonance spectrometer, has sensor film arranged on transparent substrate for radiation, where radiation source is attached in layer construction on transparent substrate

The spectrometer (13) has a radiation source (15) with a radiation detector (25) and a sensor film (2) controlling a radiation from the radiation source to the radiation detector. The sensor film is a..

NEAR-INFRARED SHIELDING MATERIAL, LAMINATE INCLUDING THE SAME, AND OPTICAL FILTER FOR DISPLAY INCLUDING THE SAME

To provide a laminate which is excellent in heat-ray shielding properties, transparency, and weatherability and is suitable for use in laminated glass; and an optical filter for display which has exce..

CLEANING MODULE, EUV LITHOGRAPHY DEVICE AND METHOD FOR THE CLEANING THEREOF

In order to clean optical components (35) inside an EUV lithography device in a gentle manner, a cleaning module for an EUV lithography device includes a supply line for molecular hydrogen and a heati..

HOLDING DEVICE FOR OPTICAL ELEMENT

To provide a device for holding sealing support of an optical element without causing smearing of an objective space, by avoiding interference on optical property caused by a holding device or the sea..

OPTICAL IMAGING DEVICE

An optical imaging device for microlithography is provided to reduce the coat for correction of the optical imaging error and to decrease the effect of dynamic variation of the pressure difference bet..

Projection exposure system for manufacturing semiconductor component

The system has an optical assembly held within a housing (2) by a bearing unit (4), and a changing unit for changing the optical assembly, where the optical assembly is exchangeably formed. The bearin..

Magnetic apparatus for the treatment of cataracts and other eye conditions

Cataract is the leading cause of blindness in the world today. More than 160 million people have visual impairment, with three quarters of the cases related to cataracts. Sixty per cent of world bli..

Oblique Selected Plane Microscopy For Optically Sectioned Imaging

Conventional optical microscopy provides high resolution images and has a huge range of applications. In many cases, it is desirable to obtain so-called ‘optically sectioned’ images, i.e. an imag..

Organic Multi-Photon Absorbing Molecules

BACKGROUND: Two-photon or other multi-photon absorbing molecules have been designed in a variety of technologies involving such subjects as optical data storage, 3-D microfabrication techniques, freq..

Brighter Organic Light Emitting Diodes

BACKGROUND: Triplet emitters are promising materials for creating bright organic light emitting diodes (OLEDs). Iridium (Ir) organometallic complexes are especially attractive because of their high qu..

Soluble Tetrahedral Compounds for use in Electroluminescent Devices

BACKGROUND: Recent research efforts have produced stable amorphous materials that can be cast into films directly from solution. However, a tendency towards crystallization minimizes the utility of th..

Fabrication of Robust Electro-Optical Switching Devices

Highlights Method for producing robust, long-lasting electro-optical light-controlling devices May be used for beam steering or switching or electro-optically tuneable filter devices Concept for be..

NOVEL OPTICAL ANALYTE DETECTION SYSTEM

The present invention provides an optical method and device for the determination of an analyte in an assayed sample. The method and device of the invention are based on the use of semiconductor nanop..

NOVEL LUMINESCENT POLYMERS

Highlights There is a great need for functional materials made from organic semiconducting polymers that exhibit the electronic/optical/mechanical/chemical properties of inorganic materials Current..

Image Denoising with Unsupervised, Information- Theoretic, Adaptive Filtering (UITAF)

The technology offers unsupervised adaptive filtering technique that automatically discovers the statistical properties of the signal and thereby reduces noise in a wide spectrum of images and applica..

Divcam – Distance Mapping Camera

A novel, inexpensive distance mapping camera that uses the rate of decay of illumination light with distance, as a means of measuring the distance. Infrared LEDs (Light Emitting Diodes) are typically..

Controlled Beam Steering Using Two-Beam Coupling for Optical Routing Applications

Optical routing applications involve the re-direction of an optical beam from one path direction to another in a well-controlled, rapid manner. One possible means of re-direction involves the use of t..

Thermal Management System

Engineers have developed a functionally graded, high temperature optical surface engineered to provide thermal management for broad range of near solar loads and environments including thermal cycling..

Thermal Management System

Planar Optical Penetration Sensor (POPS)

An optical sensor and method for detecting a projectile velocity vector includes optically detecting the arrival of a projectile. The sensor includes a sandwich of a transparent layer within two refle..

Optical Beamformer

A method of setting an apparent optical length of an optical fiber for a given optical wavelength includes heating the trimmed optical fiber to selectively vary a refractive index thereof in response ..

Field-Portable Time-of-Flight Mass Spectrometer System

A field portable mass spectrometer system comprising a sample collector and a sample transporter. The sample transporter interfaces with the sample collector to receive sample deposits thereon. The sy..

Scatterer Controlled Emission for Novel Optical Taggants

Sensors and/or taggants feature high optical gain materials which are disposed in a high scattering environment. These materials, when adequately excited, emit intense and spectrally narrow light that..

Fiber Optic Ionizing Radiation Detection

An ionizing radiation detector employs optical fibers as the medium for sensing ionizing radiation emitted by a radioactive source. Light in the infrared region is pumped continuously through an optic..

Optical Beam Deflection Thermal Imaging

The present invention provides a thermal imaging method to evaluate the surface and subsurface properties of a material and is based on techniques of optical beam deflection thermal imaging. The inven..

New Optics See More with Less (MFS-31475)

Abstract: Developed at NASA Marshall Space Flight Center (MSFC), this technology combines a panoramic refracting optic (PRO) lense with a unique detection system to acquire a true 360-degree field of..

A Real-Time Parylene-Thickness Monitoring Optical Sensor System (GSC-14757)

Abstract: The invention is an optical film-thickness sensor for use in Parylene deposition systems, to accurately measure the deposited film thickness in real time. The sensor would be secured to the..

Method and Means for Ultra High Sensitive, Absolute, Linear and Rotary Encoding (GSC-13703)

Abstract: Developed at NASA Goddard Space Flight Center, these linear and rotary encoders use a CCD array to detect the relative and absolute position of an object by reading a microlithographic scal..

Fiber Optics-Distributed Sensor System (TOP1-468)

Abstract: The DSS determines the Bragg reflectivity and wavelength at every point along an optical fiber by measuring the interference of the light reflected from the Bragg gratings with the light fr..

New Manufacturing Devices for Improved Fiber Optic Assemblies (GSC-13644)

Abstract: NASA Goddard Space Flight Center (GSFC) has invented four new technologies that can improve the quality and dependability of fiber optic assemblies used in aerospace, military, telecommunic..

Multi-Scale Retinex with Color Restoration (TOP1-478)

Abstract: The Retinex method is an automatic, general purpose algorithm that greatly improves the visual realism, quantity, and quality of perceived information in the digital image. Currently, the v..

Photonic Switching Devices Using Light Bullets (TOP1-477)

Abstract: At the specified wavelengths, these optical materials have a sufficiently negative group velocity dispersion and high nonlinear index of refraction to support stable light bullets. The ligh..

Method of Doping Barium Titanate Ferroelectric Oxide ( 94001A)

INVENTION: In this invention, thin film modulators are made with ferroelectric materials that offer higher bandwidth and lower voltage operations compared to lithium niobate and indium phosphide. ..

Oriented Niobate Ferroelectric Thin Films for Electrical and Optical Devices ( 94019DIV)

INVENTION: Thse films can be used in electronic, electro-optic and frequency doubling components. U. S. Patent No. 6,208,453

Optimizing Launch Points for Dispersion-Managed Solitons ( 97054)

INVENTION: Researchers at Northwestern have developed an effective analytic tool for predicting the behavior of dispersion-managed solitons, and a dispersion map design configuration specially optim..

Tunable Fiber-Optic Parametric Oscillator ( 98091)

INVENTION: This invention relates to a tunable FOPO which employs a nonlinear-fiber Sagnac interferometer as a parametric amplifier. U. S. Patent No. 6,501,591

Oxide Thin Films and Composites and Related Methods of Deposition ( 99070/99020)

The synthesis of epitaxial functional oxide thin films on silicon is required for large-scale integration of microelectronic, microwave, and optical devices. This invention provides deposition techniq..

Layer-by-Layer Self-Assembly of Large Response Molecular Electro-Optic Materials by a Desilylation Strategy (20010)

A new efficient "one-pot" synthesis of organic self-assembled superlattices having excellent electrooptic response properties. The method provides thermally and photochemically robust thin films that ..

High Performance Self-Assembled Electro-optic Materials and Modulating Devices (20042)

Electric field poled polymers are currently used to fabricate organic based modulators. The present invention provides a chemical process, employing self-assembly molecules to create the electro activ..

Refractive Index Tuning of Siloxane-Based Electro-Optic Self-Assembled Superlattices (21001)

A “wet-chemical” process affording molecule-based electro-optic (EO) material refractive index tuning in self-assembled superlattice (SAS) organic structures. The process retains essential microst..

Commercial-Scale Synthesis of p-type Transparent Conductors (21006)

A new process affording a single step route to polycrystalline samples of any delafossite-like (ABO2) material with phase purity has been developed. These materials exhibit luminescence, catalysis, an..

A System to Prevent Power Outages in Optical Transmission Lines (21073)

This breakthrough method provides the only known practical means by which to predict power outage probabilities and bit-error rates in fiber optic lines caused by "polarization mode dispersion (PMD)."..

Organic Light-Emitting Diodes and Methods for Assembly and Enhanced Charge Injection (22012

The integrity of electrode/organic interfacial contact is crucial to the performance and stability of organic light-emitting diodes (OLEDs). This invention addresses the problem by employing a well de..

Efficient, Compact Device for All-Optical Processing (22091)

The invention is a series of devices, including an optical parametric oscillator, that are compact and efficient because they exploit phenomenon of a new kind of commercially available microstructure ..

Enhanced Performance of Blue Light Emitting Polymer Diodes via Anode Modification (22103)

Researchers at Northwestern University invented a process that significantly improves Blue polymer light emitting diode (PLED) performance, efficiency, and stability. Blue PLED devices generally requi..

Vapor Deposited Electro-Optic Films Self-Assembled Through Hydrogen Bonding (22107/22065)

Northwestern researchers created a new family of designed molecular chromophores that afford acentric films essential to non-linear electro-optic applications. These novel materials exhibit excellent ..

New Hole Transport Layer Materials for Polymer Light Emitting Diodes (23071)

Northwestern University researchers invented a new hole transport system for polymer light emitting diodes (PLEDs) with negligible visible light absorption, stability to ITO, solvent resistance and tu..

Low-Voltage Organic Electro-Optic Modulators Using Transparent Conducting Oxides As Electrodes (23080)

A novel organic electro-optic modulator using transparent conducting oxide electrodes has been created by Northwestern University scientists. The modulator functions at significantly lower switching v..

Individually Addressed Large Scale Patterning of Conducting Polymers by Localized Electric Fields (23097)

A new multiplexed and parallel polymer patterning process, with individual addressability, via electropolymerization within the gap of electrodes has been developed at Northwestern University. The tec..

Batio3 Thin Film Waveguides And Related Modulator Devices (24060)

A low-voltage, wide bandwidth, strip-loaded BaTiO3 thin film electrooptic amplitude modulator for use in high-speed optical communication networks has been created by Northwestern researchers. Broadba..

Nanoscale Self-Assembled Organic Dielectrics for Ultra-Low Voltage High-Speed Electronic Devices (24062)

Self-assembling siloxane fabrication of extremely thin nanostructurally ordered, pinhole-free, ultra-high-capacitance/low leakage organic dielectrics has been achieved by Northwestern University scien..

CUS Focalized Carrier Augmented Sensor (25015)

The invention is a novel avalanche-free single photon detector in the short infrared range that is suitable for ultra-sensitive high-density infrared imaging arrays. The pixel element is low voltage a..

Twisted π-Electron System Chromophores with Very Large Molecular Hyperpolarizabilities (25019)

A series of unconventional twisted π-electron system electro-optic (EO) chromophores with ultra-large first hyperpolarizabilities have been created by Northwestern University scientists. These compou..

Intercalated Metal Oxide Superlattice Dielectrics (25092)

A family of intercalated metal oxide self-assembled superlattice dielectrics providing extraordinary insulative and capacitance properties for thin film transistor and organic electronic devices. A..

Transparent Flexible Inorganic-Organic Hybrid Thin-Film Transistors (25093)

Northwestern researchers have created a range of transparent and flexible inorganic – organic hybrid n-type thin film transistors (TFTs) with high mobility and ultrathin high capacitance/low leakage..

High Performance GaAs MISFETs With Self-Assembled Nanodielectrics (26042)

Novel SAND organic dielectrics suitable for high-performance III-V semiconductor devices such as metal-insulator-semiconductor field effect transistors (MISFETs). ADVANTAGE: New process for manipul..

High Performance all Transparent Inorganic-Organic Hybrid Thin-Film Transistors (26105)

Transparent and flexible inorganic – organic hybrid n-type thin film transistors (TFTs) with operating properties suitable for “invisible” electronics have been developed at Northwestern. ADV..

Catalytic Synthesis of High Energy Density Nanocomposite Dielectric Materials (26136)

A process affording homogeneously dispersed ceramic nanoparticles within the matrix of processable, high-strength polymers. The high energy density polymer-metal oxide composites provide effective hig..

Organic Light-Emitting Diodes and Methods for Assembly and Emission Control (99027)

This invention presents a new route to the fabrication of multilayer heterojunction devices useful for large and small, multicolored display applications by means of molecular self-assembly techniques..

Method of Doping Barium Titanate Ferroelectric Oxide ( 94001A

In this invention, thin film modulators are made with ferroelectric materials that offer higher bandwidth and lower voltage operations compared to lithium niobate and indium phosphide. U. S. Paten..

Oriented Niobate Ferroelectric Thin Films for Electrical and Optical Devices ( 94019DIV

Thse films can be used in electronic, electro-optic and frequency doubling components. U. S. Patent No. 6,208,453

Thin Film Electro-Optic Modulator for Broadband Applications ( 97028

This invention addresses thin film, BaTiO3 channel waveguide structures with the potential for traveling-wave electro-optic modulator applications. U.S. Patent No. 6,118,571

Optimizing Launch Points for Dispersion-Managed Solitons ( 97054)

: Researchers at Northwestern have developed an effective analytic tool for predicting the behavior of dispersion-managed solitons, and a dispersion map design configuration specially optimized for WD..

Tunable Fiber-Optic Parametric Oscillator ( 98091)

This invention relates to a tunable FOPO which employs a nonlinear-fiber Sagnac interferometer as a parametric amplifier. U. S. Patent No. 6,501,591

Oxide Thin Films and Composites and Related Methods of Deposition ( 99070/99020)

Layer-by-Layer Self-Assembly of Large Response Molecular Electro-Optic Materials by a Desilylation Strategy (20010)

High Performance Self-Assembled Electro-optic Materials and Modulating Devices (20042)

Refractive Index Tuning of Siloxane-Based Electro-Optic Self-Assembled Superlattices (21001)

Commercial-Scale Synthesis of p-type Transparent Conductors (21006

A System to Prevent Power Outages in Optical Transmission Lines (21073)

Organic Light-Emitting Diodes and Methods for Assembly and Enhanced Charge Injection (22012)

Efficient, Compact Device for All-Optical Processing (22091)

Enhanced Performance of Blue Light Emitting Polymer Diodes via Anode Modification (22103)

Vapor Deposited Electro-Optic Films Self-Assembled Through Hydrogen Bonding (22107/22065)

New Hole Transport Layer Materials for Polymer Light Emitting Diodes (23071

Low-Voltage Organic Electro-Optic Modulators Using Transparent Conducting Oxides As Electrodes (23080)

Individually Addressed Large Scale Patterning of Conducting Polymers by Localized Electric Fields (23097)

Batio3 Thin Film Waveguides And Related Modulator Devices (24060)

Nanoscale Self-Assembled Organic Dielectrics for Ultra-Low Voltage High-Speed Electronic Devices (24062)

FOCUS Focalized Carrier Augmented Sensor (25015

Twisted π-Electron System Chromophores with Very Large Molecular Hyperpolarizabilities (25019)

Transparent Flexible Inorganic-Organic Hybrid Thin-Film Transistors (25093)

High Performance GaAs MISFETs With Self-Assembled Nanodielectrics (26042)

INVENTION: Novel SAND organic dielectrics suitable for high-performance III-V semiconductor devices such as metal-insulator-semiconductor field effect transistors (MISFETs). ADVANTAGE: New proces..

High Performance all Transparent Inorganic-Organic Hybrid Thin-Film Transistors (26105)

Transparent and flexible inorganic – organic hybrid n-type thin film transistors (TFTs) with operating properties suitable for “invisible” electronics have been developed at Northwestern. AD..

Catalytic Synthesis of High Energy Density Nanocomposite Dielectric Materials (26136)

process affording homogeneously dispersed ceramic nanoparticles within the matrix of processable, high-strength polymers. The high energy density polymer-metal oxide composites provide effective high..

Organic Light-Emitting Diodes and Methods for Assembly and Emission Control (99027)

Processing of Optical Coherence Tomography Signals - for both Medical and Non-Medical Applications (22044)

Optical Coherence Tomography (OCT) is the optical analog of ultrasound tomography. In OCT, an optical wave is launched into a tissue sample where it is reflected off of interfaces and where optica..

Two-photon absorbing materials with quenched emission

This invention describes a method of making materials to dramatically increase storage capacities of optical storage (holographic) devices to levels proportional to higher orders of the intensity. Non..

An Improved Process for the Preparation of a Symmetrical Thiopyrylium Pentamethine Dye Useful in Graphic Arts Imaging

Pyrylium based compounds are ideal as sensitizing dyes in the world of lasers. Earlier methods of manufacturing thio- and seleno-pyrylium based compounds did not take off due to the high costs and dif..

A Method to Produce Water Dispersible Highly Luminescence CdSe/CdS/ZnS Quantum Dots for Biomedical Imaging

It’s a “Novel” method aimed to- a) Produce highly luminescent CdSe/CdS/ZnS Quantum Dots. b) Enable transfer of these Quantum Dots from Organic to Aqueous (Essential requirement for Bio Imaging, ..

Solution-processed pentacene quantum-dot polymeric hybrid nanocomposite photodetector

The present disclosure combines broad spectral access enabled by semiconductor nanocrystallites (different compositions and sizes having different band gaps) with enhanced carrier transport via high-m..

Novel Polarimetry Scheme to Monitor Phase-polarization Characteristics of Light Under Surface Plasmon Resonance Biosensing

Surface Plasmon Resonance (SPR) sensor technology has been commercialized rapidly as a tool for bimolecular interaction analysis, drug discovery and life science research. However, phase detecting tec..

Efficient surface functionalization of luminescent silicon quantum dots by photoinitiated hydrosilylation

This technology describes a 3-phased process to synthesize luminescent silicon nanoparticles in different colors. 3nm to 15nm diameter nanoparticles are synthesized at a high-rate by laser decompositi..

Preparation of stable blue-emitting silicon nanoparticles

This technology describes two methods to synthesize blue luminescent silicon nanoparticles. The first is a 3-phase process. In the first phase, laser decomposition of silane and wet chemical etching u..

Two-photon absorbing materials with quenched emission

Backward stimulated Rayleigh-Bragg scattering devices based on multi-photon absorbing materials and their applications

This invention describes the observation and characterization of a new type of stimulated scattering in a multi-photon absorbing medium which offers significant operational improvements in precision l..

PROtection with MultIple SEgments (PROMISE)

Major challenges in designing a survivable network include how to allocate minimal amounts of spare resources using scalable algorithms, and how to enable quick recovery, in case a failure occurs. Exi..

An Improved Process for the Preparation of a Symmetrical Thiopyrylium Pentamethine Dye Useful in Graphic Arts Imaging

Foveal Sensor architecture with charge normalization

The invention describes a CMOS foveal image sensor integrated circuit and the process of making the same. Also included is a novel photo charge normalization technique that enables use of the same cha..

Micromachined Microsensor Arrays for Chemical Sensing Applications

Chemical sensor arrays are low cost, compact, robust and versatile alternatives to large analytical tools like optical spectrometers. This invention describes the rapid fabrication of reusable chemica..

Low Power Solid-State Sensor Device

This invention describes the design of a novel sensor to quantify molecular Oxygen (O2) based entirely on solid-state electronics. A derivative compound of Ruthenium II has been found to exhibit lumin..

Novel Polarimetry Scheme to Monitor Phase-polarization Characteristics of Light Under Surface Plasmon Resonance Biosensing

Micromachined Microsensor Arrays for Chemical Sensing Applications

Low Power Solid-State Sensor Device

A New Protocol of Diels-Alder Lattice Hardening for Highly Efficient Electro-optic Materials Showing Outstanding Temporal Stability over 200 Degrees C

Introduction Organic electro-optic (EO) materials have attracted much interest in the past two decades because of their extensive potential applications in various fields, ranging from waveguides, swi..

Smart Ladder

Introduction A leading cause of worker injury in the fruit tree industry involves orchard ladder stability and the level of awareness of the user when climbing and dismounting the ladder. Due to cultu..

Microfluidic liquid-core, liquid-cladding optical waveguides

Summary Background: Optical detection and spectroscopic analysis are important in a wide variety of systems. Typical methods used for delivery of electromagnetic radiation to the microchannels of m..

Coherent Control of Optical Information with Matter Wave Dynamics

Summary The invention is a technique for stopping light pulses, converting them to matter, and then transporting them to another location. A laser pulse is sent toward one Bose-Einstein condensate (BE..

Portable and Inexpensive Chemical and Biological Sensors

Summary The broadly tunable quantum cascade laser (QCL) described in this invention enables the production of a small, portable chemical and biological sensor that can detect a range of molecules with..

Slowing Down Light for Enhanced Detection of Biomolecules

Summary Allows for optical sensing and chemical and biological detection using extremely small and highly-sensitive devices. Also allows for fabrication of exceptionally small lasers for applications ..

Slowing Down Light for Enhanced Detection of Biomolecules

General Synthesis and Properties of Hetero-Branched Nanostructures

Summary The bottom-up assembly of nanostructures from individual building blocks offers distinct advantages over traditional top-down fabrication techniques including greatly simplified and cost-effec..

Microfabricated, Chip-Based, Low-Power Optical Tweezers

Summary Since they were first demonstrated over twenty years ago, optical tweezers have been widely used for the manipulation and measurement of many microscale particles, particularly in the biologic..

Fabrication of Carbon Microstructures

Summary This invention provides a convenient, inexpensive, rapid, and reproducible method for making high-carbon solid structures on the micro scale (dimensions of less than 2 mm, less than 100 nm, or..

Surface Plasmon Enhanced Illumination

Summary The resonant excitation of surface plasmons (SPs) by photons of poynting vectors normal to the surface in which the SPs exist through periodic perforation has been a topic of interest for seve..

Sub-wavelength Diameter Silica Wires for Low-Loss Optical Wave Guiding or High Strength Applications

Summary Silica wires can be utilized to transmit light for use as optical waveguides. Typical silica waveguides in use today in optical communication, sensors, and other applications, have widths (or ..

Microfluidic liquid-core, liquid-cladding optical waveguides

Summary Background: Optical detection and spectroscopic analysis are important in a wide variety of systems. Typical methods used for delivery of electromagnetic radiation to the microchannels of m..

A Low-threshold, High-efficiency Microfluidic Waveguide Laser

Summary Background: A common type of optical waveguides has been optical fibers which have been used to guide electromagnetic waves in the optical spectrum. They are mainly used as components in in..

New Method of Measure Refractive Indices, (linear and circular) birefringences, as well as optical activity using a ring-resonator

Summary The invention is a new method and apparatus for performing refractive index, birefringence and optical cavity measurements of a material such as a solid, liquid or thin film. The invention mak..

Portable and Inexpensive Chemical and Biological Sensors

Coherent Control of Optical Information with Matter Wave Dynamics

Fabrication of Small-Scale Coils and Bands as Photomasks on Optical Fibers for G

Summary This invention provides simple, inexpensive processes for reliably and reproducibly creating diffraction gratings in optical fibers and waveguides. This novel external writing technique allows..

Multilevel Modulation for Free Space Optical (FSO) Communications and Error Correction Methodology

Introduction Wireless optical links, or free space optics (FSO), enable point-to-point, high-speed communication with low installation costs and high levels of security, and they are especially useful..

Scalable, Rapidly Tunable Wavelength Selective Ring Resonator

Introduction Wavelength-division multiplexing (WDM) is a capacity increasing technology used in fiber-optic communications to carry different optical signals in a single optical fiber. Optical add-dro..

Continuous Production of Microcellular Fibers

Introduction In microcellular plastic foams, inert gas is dissolved in thermoplastic under high pressure. The forced evacuation of this gas during processing creates pores (or cells) within the final ..

Microcellular Foaming of Cyclic Olefin Copolymer (COC)

Introduction Cyclic olefin copolymer (COC) is a commercially available thermoplastic. It possesses exceptional clarity in its natural form, similar to that of glass, and it has high moisture resistanc..

Application of Grating Light Reflection Spectroscopy in Analytical Sensors

Introduction There are a number of methods for measuring bulk fluid compositions in statics and flow by visible light reflection characteristics from the optically inhomogeneous wall of a vessel. Surf..

Scalable, Rapidly Tunable Wavelength Selective Ring Resonator

Influencing the orientation of chromophores to increase the opticelectric effect

Introduction The electro-optic effect, important for optical communications and quantum optics, occurs in materials that alter their refractive index in the presence of an electrical field. One of the..

Gold Vision

Introduction A neuron or group of neurons that senses or receives light within the eye is known as a photoreceptor. Damaged or diseased photoreceptors lead to impaired vision or blindness. Local stimu..

Multilevel Modulation for Free Space Optical (FSO) Communications and Error Correction Methodology

Prism for Millipol Technology

Introduction For more than two centuries, polarized light microscopes have been used to study linear birefringence and linear dichroism in all manner of organized media. However, deriving quantitative..

A Microfluidic Device and Methodology for Rapid, Quantitative Determination of Analyte Concentration in a Fluid Sample

Introduction Advances in microfluidic technology are constantly opening doors to new and exciting applications, especially for biosensors and environmental monitoring. One recent area of interest is p..

Simultaneous Beam-focus and Coherence-gate Tracking for Real-time Optical Coherence Tomography

Introduction Optical coherence tomography (OCT) is an emerging technology that can image tissue microanatomy at depths of up to 2mm in real time. Technology description Researchers at the UW have deve..

Pyrroline and Pyrrolizine Chromophores for Photonic Applications

Introduction A new level of performance is being achieved with photonic devices for telecommunication and computing applications through the application of cutting edge organically-based electro-optic..

Solution Processable n-Type polymers

Introduction Conjugated polymers and organic semiconductors promise great advances in electronics because of the benefits they offer over silicon, including being cheaper with less demanding manufactu..

Crosslinkable Hole Transporting Materials for Organic Lightemitting Diodes

Introduction High-performance organic or polymer light-emitting diodes comprise multilayer configurations having hole-transporting, emissive and electron-transporting layers to balance the injection a..

Tunable Wavelength Surface Plasmon Resonance (SPR) Microscope

Introduction SPR microscopy investigates spatially resolved areas on the surface through the excitation of plasmons at the metal-sample interface by incident photons. For the SPR phenomenon to be obse..

Application of Grating Light Reflection Spectroscopy in Analytical Sensors

Two-axis, Torque-Stabilized, Passive Micro-Positioner for Precision Mechanical Instrumentation

Introduction A variety of passive micro-positioners are available on the market today. Most, however, are scaled-down versions of conventional large positioners. This invention is an entirely new conf..

Scalable, Rapidly Tunable Wavelength Selective Ring Resonator

A New Protocol of Diels-Alder Lattice Hardening for Highly Efficient Electro-optic Materials Showing Outstanding Temporal Stability over 200 Degrees C

Multilevel Modulation for Free Space Optical (FSO) Communications and Error Correction Methodology

Influencing the orientation of chromophores to increase the opticelectric effect

Update of Dynamic Change of Focus for True 3D, Scanned Retinal Images

Introduction Generating true 3-D computer displays will enable the creation of more realistic and informative images, allowing improved functionality when relying on visual display data. Technology de..

New Optical Mixer for Microfluidics

Introduction One of the fastest growing areas of microfluidics research involves the development of Labon- a-Chip (LOC) technology. LOCs combine several laboratory processes on a chip commonly only mi..

A Compact integrated Electro-Optic Based Interferometer

Introduction Interferometry uses the principles of constructive and destructive interference to combine two or more waveforms, such as light, to form a phase-dependent source of the two signals. It is..

Optical Coherence Tomography: High-Resolution Balloon Catheter Imaging, Dispersion Management, and Lateral-Priority Real-Time Imaging and Focus Tracking

Introduction Optical coherence tomography (OCT) is an imaging technique that uses light to acquire three-dimensional images of biological tissue. This non-invasive technique generates highquality imag..

Dynamic Characterization of Particles Using Flow Cytometry

Introduction Flow cytometry is an increasingly useful analytical technique that utilizes the scattering of laser light to interrogate a variety of microparticles, including microorganisms, cells, and ..

Dynamic Change of Focus for True 3-D, Scanned Retinal Displays

Automatic Phase Calibration of Two-Dimensional Resonant Scanners

Introduction Mechanically resonant scanners are widely used in optical or near-field imaging. The scanner can trace out imaging beam paths in two-dimensional space in response to a drive waveform near..

A Three-Dimensional Distributed Sensor using an integrated Optical Waveguide Array

Introduction A flexible shear and pressure sensor array has been developed by researchers at the University of Washington. The sensors are fiber optic-based, and are imbedded in a thin polymer sheet t..

Larger Area Pressure and Shear Measurement Using Optical Time Domain Reflectometer (OTDR)

Introduction Lower limb complications associated with diabetes include the development of plantar ulcers that can lead to infection and subsequent amputation. Several authors have postulated that shea..

A Polymer-Based Integrated Optical Image Acquisition and Display System

Introduction Imaging devices are used in a variety of roles from medical imaging to barcode reading, and as these devices get smaller, their number of potential applications only increases. Endoscopes..

Quantum Dot Waveguides

Introduction Realization of ultrahigh-density photonic integrated circuits requires the ability to guide light at subdiffraction limit dimensions without extensive loss due to sharp waveguide bending...

Osmium based Organic Light Emitting Diodes (OLEDs)

Introduction OLED-based displays are being incorporated into digital cameras and cell phones. Bright, vivid colors and a wide viewing angle are the key advantages of these OLED displays. Current OLED ..

Crosslinkable Hole Transporting Materials for Organic Light emitting

Acousto-optic Modulators with a Broadband Spectrum Throughput and a Tunable Peak Wavelength

Signal Amplification Method for SPR-based Chemical Detection

Introduction Surface plasma resonance (SPR) is a general spectroscopic method for sensing refractive index changes near the surface of a metal film. Its sensitivity to these changes provides a versati..

An Optical Switch Driven by Shape Memory Alloy Actuators

Introduction Optical switching provides the means for controlling light signals, which is vital in telecommunications and photonic signal processing. For a certain class of optical switches, both elec..

Energy Nano-probe

This invention includes techniques for the fabrication and utilization of a high resolution probe capable of detecting the variation of the energy states of sample being scanned. The probe is a scanni..

Autonomous Micro-Pulse Lidar System (GSC-13493)

Abstract: The MPL system uses an optical telescope to transmit and expand solid-state laser pulses, allowing it to produce a high level of sensitivity and reliability using eye-safe pulse energy leve..

Dedicated Test Surface for Calibration of High-Performance Optical Systems

IB-2499 APPLICATIONS OF TECHNOLOGY: • A prototype binary pseudo-random grating test surface is etched into a silicon substrate using a conventional lithographical process. • Testing of surfac..

Atmospheric Optical Calibration System (AOCS)

An atmospheric optical calibration system is provided to compare actual atmospheric optical conditions to standard atmospheric optical conditions on the basis of aerosol optical depth, relative air ma..

Application of Optical Processing for Growth of Silicon Dioxide

A process for producing a silicon dioxide film on a surface of a silicon substrate. The process comprises illuminating a silicon substrate in a substantially pure oxygen atmosphere with a broad spectr..

Production of PT/PZT/PLZT Thin Films, Powders, and Laser 'Direct Write' Patterns

Abstract This invention encompasses methods and reagents for making PT, PZT, and PLZT as well as their extrinsic ions doped powders and thin films. In particular, the invention includes methods for ..

Monolithic Photodiode Array with Impedance Match

High-bit-rate optical fiber networks and photonic microwave applications currently rely on photodiodes to serve as optical-to-electrical (O/E) converters. In such high performance, high-speed applicat..

High Resolution Phase Contrast Imaging of Phase Objects in the Human Eye for Glaucoma Diagnosis, Cellular and Microcirculation Imaging (“HR-PCI”)

New Market Opportunity The human eye is a challenging and constrained optical system within which to perform optical imaging. One of the greatest challenges in applied optics has been to image, in v..

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