Ion Optical Element for Use in Controlling Charged Particle Beams
Background: Previously, reflectrons consisted of stacks of discrete electrodes. These stacks can be expensive to manufacture and contain inherent imperfections - the field over the assembly of electrodes is not precisely linear. Technology: UC researchers have devised a solution that replaces the entire stack assembly with a single cylinder of conductive material. This volume conductive electrode can be used to control charged particle beams in TOF mass specs and other devices requiring precise control of charged particles. Application: Benefits of incorporating this feature over existing designs include: simpler, cheaper manufacturing; resolution improvement (900 to 1200); achievement of the field inside the electrode which is closer to the ideal shape; and the ability to precisely tune the electrical field produced by the material through machining.
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