Investigation Of Large Dynamic Range Heterodyne Acousto-Optic Spectrum Analyzer

T. S. Chen; S. K. Yao; S. C. Lin; D. J. Brunone

doi:10.1117/12.942628

1 November 1987 Investigation Of Large Dynamic Range Heterodyne Acousto-Optic Spectrum Analyzer

T. S. Chen, S. K. Yao, S. C. Lin, D. J. Brunone

Proceedings Volume 0477, Optical Technology for Microwave Applications I; (1987) https://doi.org/10.1117/12.942628
Event: 1984 Technical Symposium East, 1984, Arlington, United States

Abstract

We have investigated and identified the important sources affecting the AOSP (acousto-optic signal processor) dynamic range. With spatial filtering techniques to clean up laser source noise and selection of good optical elements, the background scattering noise was reduced down to -62.5 dB. Using the heterodyne detection scheme, we have demonstrated ~70 dB dynamic range and picowatt minimum detectable power.

Citation Download Citation

T. S. Chen, S. K. Yao, S. C. Lin, and D. J. Brunone "Investigation Of Large Dynamic Range Heterodyne Acousto-Optic Spectrum Analyzer", Proc. SPIE 0477, Optical Technology for Microwave Applications I, (1 November 1987); https://doi.org/10.1117/12.942628

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