Linear Acousto-Optic Heterodyning Processors For Complex-Valued Data Processing.

E. Pochapsky; D. Casasent

doi:10.1117/12.939922

11 August 1987 Linear Acousto-Optic Heterodyning Processors For Complex-Valued Data Processing.

E. Pochapsky, D. Casasent

Proceedings Volume 0752, Digital Optical Computing; (1987) https://doi.org/10.1117/12.939922
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Practical adaptations of existing acousto-optic processors are advanced which result in systems inherently capable of attaining accurate, high-speed linear analog numerical processing with realistic components and simple drive electronics. The systems presented are heterodyned space-integrating configurations driven by multiple diode laser sources. All signals in the systems are encoded on quadrature temporal carriers, allowing bipolar and complex-valued data to be processed. This also enables the diode lasers, acousto-optic cells, and output detectors to be used in their most inherently linear operating modes, and significantly reduces the effects of temperature and prior input data on the absolute accuracy obtained. Applications of such processors are considered.

Citation Download Citation

E. Pochapsky and D. Casasent "Linear Acousto-Optic Heterodyning Processors For Complex-Valued Data Processing.", Proc. SPIE 0752, Digital Optical Computing, (11 August 1987); https://doi.org/10.1117/12.939922

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