Acoustooptical modulator and/or deflector

Details Acoustooptical modulator and/or deflector Acoustooptical modulator and/or deflector

1984-11-07

1987-01-20

Moskowitz, Nelson

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

350358, G02F 133

Patent

active

046382666

ABSTRACT:
Two electrical-to-acoustical transducers (W1, W2) are attached to two contiguous sides of a cube (B) made of optically transparent material. The propagation directions of the two waves delivered by the transducers intersect inside the cube. The frequency of the light beam striking the device is shifted by f.sub.1 -f.sub.2, where f.sub.1 and f.sub.2 are the frequencies of the drive signals for the two transducers. The deflection of the light beam in the two propagation directions of the sound waves is proportional to the frequencies of the drive signals.

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