Terahertz Technique Could Help Prevent Rust

May-24-14 A newly developed method of ensuring paint layers have been properly applied could help prevent rust as well as diagnose the early signs of skin cancer.

Developed by Anis and Aunik Rahman, a father-and-son team, the system emits a beam of terahertz-frequency radiation into the paint, where it penetrates the paint layers without causing damage. As the beam moves through the layers, it is reflected back at different intensities of light, which reveals the thickness of the paint layers and allows the technician to determine if the coats have been properly applied—a key step preventing rust.

The method could also be configured in a way that would allow it to analyze the skin's structure and help to diagnose the early signs of cancer.

Thumbnail image: Maciej Lewandowski

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