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Compact spectrometer aimed at medical, consumer apps

17 Dec 2014  | Jessica Lipsky

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"The chemical composition of real wine and fake wine will be different," he said. "You could add additional colour, but the chemical fingerprint itself is different. When you shine light on to the target whiskey, the transmitted light will have a slighter different absorption pattern."

NanoLambda spectrometer

Each pixel detects a specific wavelength collectively to describe its relationship to the spectrum. (Image: TSensors Summit)

A spectrometer-on-a-chip could also conduct non-invasive medical monitoring. Choi has received suggestions for tongue monitoring, as well as monitoring change in organ colour over time, though that app is invasive. He hopes his technology will become the basis of a health testing consortium.

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