Piezo-Phototronic LED (1 of 2) (IMAGE)

Georgia Institute of Technology

Piezo-Phototronic LED (1 of 2)

Caption

Researchers have developed a sensor device that converts mechanical pressure -- from a signature or a fingerprint -- directly into light signals that can be captured and processed optically. Shown is Professor Zhong Lin Wang of the Georgia Institute of Technology.

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Georgia Tech Photo: Gary Meek

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