Multiplicative Time And Space Integrating Acousto-Optic Architectures For Real Time Spectrum Processing

Nabeel A. Riza; Demetri Psaltis

doi:10.1117/12.942069

25 November 1987 Multiplicative Time And Space Integrating Acousto-Optic Architectures For Real Time Spectrum Processing

Nabeel A. Riza, Demetri Psaltis

Author Affiliations +

Proceedings Volume 0827, Real-Time Signal Processing X; (1987) https://doi.org/10.1117/12.942069
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Multiplicative acousto-optic architectures using time and space dimensions for spectrally resolving long 1-D signals and images are described. The Discrete Fourier Transform algorithm is implemented optically to provide fine frequency resolving power. Experimental results are presented for 1-D and 2-D input signals. Bias removal techniques are discussed, including an approach using a photorefractive crystal as a time integrating bias-free detector.

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Nabeel A. Riza and Demetri Psaltis "Multiplicative Time And Space Integrating Acousto-Optic Architectures For Real Time Spectrum Processing", Proc. SPIE 0827, Real-Time Signal Processing X, (25 November 1987); https://doi.org/10.1117/12.942069

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