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Proceedings Paper

Investigation Of Large Dynamic Range Heterodyne Acousto-Optic Spectrum Analyzer
Author(s): T. S. Chen; S. K. Yao; S. C. Lin; D. J. Brunone
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Paper 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.

Paper Details

Date Published: 1 November 1987
PDF: 6 pages
Proc. SPIE 0477, Optical Technology for Microwave Applications I, (1 November 1987); doi: 10.1117/12.942628
Show Author Affiliations
T. S. Chen, TRW Electro Optics Research Center (United States)
S. K. Yao, TRW Electro Optics Research Center (United States)
S. C. Lin, TRW Electro Optics Research Center (United States)
D. J. Brunone, TRW Electro Optics Research Center (United States)


Published in SPIE Proceedings Vol. 0477:
Optical Technology for Microwave Applications I
Shi-Kay Yao, Editor(s)

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