Multifunction acousto-optic signal processor

Nabeel A. Riza

doi:10.1117/12.319411

25 August 1998 Multifunction acousto-optic signal processor

Nabeel A. Riza

Proceedings Volume 3388, Advances in Optical Information Processing VIII; (1998) https://doi.org/10.1117/12.319411
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

A novel 2D acousto-optic processor is introduced for a variety of 2D signal processing tasks that include ambiguity function and range-doppler processing, 2D raster format high resolution signal spectrum analysis, and triple correlation function generation. The optical design is based on an optically efficient, in-line, high stability, 2D interferometer using four acousto-optic devices. Via the simple technique of Bragg cell carrier offset adjustments, the processor can generate the desired interferometric output on a chosen spatial carrier that is required for bias removal and electronic post-processing. The processor has bandwidth limitations based on the type of Bragg cells used in the system.

Citation Download Citation

Nabeel A. Riza "Multifunction acousto-optic signal processor", Proc. SPIE 3388, Advances in Optical Information Processing VIII, (25 August 1998); https://doi.org/10.1117/12.319411

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