Method of dynamic range expansion at acousto-optic analysis of radio-signal spectra

Denis A. Belyaev; Vladimir N. Parygin; Vladimir I. Balakshy

doi:10.1117/12.612811

3 March 2005 Method of dynamic range expansion at acousto-optic analysis of radio-signal spectra

Denis A. Belyaev, Vladimir N. Parygin, Vladimir I. Balakshy

Proceedings Volume 5828, Acousto-Optics and Applications V; (2005) https://doi.org/10.1117/12.612811
Event: Acousto-Optics and Applications V, 2004, Gdansk, Poland

Abstract

Acousto-optic (AO) interaction for a case when an acoustic signal contains three frequency components is theoretically and experimentally investigated. An existence of combinative frequencies at the multifrequency AO interaction is proved. A spatial distribution of transmitted and diffracted light intensities is demonstrated in approximation of three-step scattering process. The functioning of an AO spectrum analyzer is illustrated by an example of the three-frequency AO interaction. A new method for the expansion of the analyzer dynamic range is suggested. The efficiency of the method is experimentally confirmed.

Citation Download Citation

Denis A. Belyaev, Vladimir N. Parygin, and Vladimir I. Balakshy "Method of dynamic range expansion at acousto-optic analysis of radio-signal spectra", Proc. SPIE 5828, Acousto-Optics and Applications V, (3 March 2005); https://doi.org/10.1117/12.612811

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KEYWORDS

Acousto-optics

Diffraction

Acoustics

Light scattering

Scattering

Spectrum analysis

Ultrasonics

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