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New photodetector could improve night vision, thermal sensing and medical imaging

UCLA’s design eliminates tradeoffs between bandwidth, sensitivity, and speed that are common in current technology

Using graphene, one of science’s most versatile materials, engineers from the UCLA Samueli School of Engineering have invented a new type of photodetector that can work with more types of light than its current state-of-the-art counterparts. The device also has superior sensing and imaging capabilities. (more…)

A Smarter Way to Make Ultraviolet Light Beams

By Guest PostNovember 30, 2011Scienceharmonic distortions, information storage, infrared signal, jeremy moore, lasers, matthew tomes, microscopy, mona jarrahi, optical resonator, optics express, original wavelength, tal carmon, ultraviolet light, university of michigan, wavelength tunable ultraviolet sources

ANN ARBOR, Mich.— Existing coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with low power consumption that could improve information storage, microscopy and chemical analysis.

A paper on the research is newly published in Optics Express. The research was led by Mona Jarrahi and Tal Carmon, assistant professors in the Department of Electrical Engineering and Computer Science. The experiment was performed by Jeremy Moore and Matthew Tomes, both graduate students in the same department. (more…)

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New photodetector could improve night vision, thermal sensing and medical imaging

A Smarter Way to Make Ultraviolet Light Beams