Channelized, time- and space-integrating acousto-optic processor

David C. Hartup; William T. Rhodes; Harold F. Engler; Allen K. Garrison

doi:10.1117/12.21261

1 September 1990 Channelized, time- and space-integrating acousto-optic processor

David C. Hartup, William T. Rhodes, Harold F. Engler, Allen K. Garrison

Proceedings Volume 1296, Advances in Optical Information Processing IV; (1990) https://doi.org/10.1117/12.21261
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

A novel channelized, hybrid time- and space-integrating acoustooptic (AO) spectrum analyzer is described. The architecture consists of two AO cells in a crossed-cell configuration. The first AO cell is a wide bandwidth device that performs space-integrating spectral analysis and channelizes signals according to carrier frequency. The second AO cell, in conjunction with a modulated source, performs time-integrating spectral analysis of the signal envelope using the chirp algorithm. One possible application of the processor is to determine the carrier frequency and pulse repetition frequency (PRF) of received radar signals.

Citation Download Citation

David C. Hartup, William T. Rhodes, Harold F. Engler, and Allen K. Garrison "Channelized, time- and space-integrating acousto-optic processor", Proc. SPIE 1296, Advances in Optical Information Processing IV, (1 September 1990); https://doi.org/10.1117/12.21261

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