General time, space and frequency multiplexed acousto-optic corr

Details General time, space and frequency multiplexed acousto-optic corr General time, space and frequency multiplexed acousto-optic corr

1985-09-13

1987-02-03

Harkcom, Gary V.

Boots, shoes, and leggings

364819, 364821, 350358, G06G 900

Patent

active

046412735

ABSTRACT:
Time, space and frequency multiplexed time integrating acousto-optic correlators and exemplary uses thereof. The correlators utilize a plurality of radio frequency (RF) modulators, each operating at the same or a different RF frequency to provide excitations to an acousto-optic cell representing the sum of the outputs of the modulators. A corresponding plurality of detectors are positioned so that light from the acousto-optic cells corresponding to the correlation output of various pairs of the RF modulators is incident to a respective one of the detectors. Uses for the correlators include demodulation and synchronization applications.

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patent: 4531195 (1985-07-01), Lee
patent: 4558925 (1985-12-01), Casseday et al.
patent: 4566760 (1986-01-01), Abramovitz et al.

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