Acousto-Optic Parallel Channel Wideband Receiver Concept

J. H. Zablotney

doi:10.1117/12.957321

21 September 1979 Acousto-Optic Parallel Channel Wideband Receiver Concept

J. H. Zablotney

Author Affiliations +

Proceedings Volume 0180, Real-Time Signal Processing II; (1979) https://doi.org/10.1117/12.957321
Event: Technical Symposium East, 1979, Washington, D.C., United States

Abstract

The design of wideband Acousto-Optic receivers with real-time signal processing capabilities is severely limited by the sequential readout characteristics of available monolithic photodiode arrays. An alternative receiver design, using a photo sensing concept that employs a linear fiber optic array is considered here. Each fiber in the array is connected to its own photosensor, video detector and threshold circuitry. The array cir-cuitry is interfaced with a digital processor capable of real-time analysis of the array output. The receiver, consisting of an acousto-optic spectrum analyzer, the fiber array and processor can measure signal frequency and time-of-arrival over wide band widths. This paper describes the characteristics of the fiber array and the system processor.

Citation Download Citation

J. H. Zablotney "Acousto-Optic Parallel Channel Wideband Receiver Concept", Proc. SPIE 0180, Real-Time Signal Processing II, (21 September 1979); https://doi.org/10.1117/12.957321

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