Electro-optic sensor

Details Electro-optic sensor Electro-optic sensor

2004-07-28

2008-12-09

Chowdhury, Tarifur (Department: 2886)

Optics: measuring and testing

By light interference

For dimensional measurement

Reexamination Certificate

active

07463364

ABSTRACT:
A sensor comprises an optical modulator that generates a modulation signal, an interferometer that mixes an acoustic signal evoked by a pulsed laser with the modulation signal to down-convert the acoustic signal to lower frequencies, and a photodetector that detects the down-converted signal.

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