Research of acousto-optic correlator for new telecommunication receiver system

Dingrong Shao; Shujian Li; Bin Zhou

doi:10.1117/12.166011

21 January 1994 Research of acousto-optic correlator for new telecommunication receiver system

Dingrong Shao, Shujian Li, Bin Zhou

Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.166011
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation

Abstract

A promising receive system model working in high frequency and wideband, with large processing gain, is researched. As the crux, an acousto-optic correlator is discussed especially. Analyzing the principle of a bulk wave space integrating A-O correlator/convolver, an experimental signal processor with large Gp using a high frequency wideband A-O device is configured. By this system, operation of correlation/convolution with BPSK modulated by Barker code is completed. The result is in accordance with the theoretic calculation. This model works in 175 MHz center frequency, 120 MHz bandwidth, and 29.4 dB processing gain. The method of detecting the first order diffracted light beam is proved theoretically and experimentally to expend dynamic range.

Citation Download Citation

Dingrong Shao, Shujian Li, and Bin Zhou "Research of acousto-optic correlator for new telecommunication receiver system", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.166011

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