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Proceedings Paper

New ways to expand operation bandwidth of acousto-optic spectrum analyzers
Author(s): Boris S. Gurevich; Sergei V. Andreyev; Andrey V. Belyaev; Pavel A. Burov; Alexei A. Rodiontsev; Valery N. Sokolov
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Paper Abstract

If an acousto-optic spectrum analyzer (AOSA) operates in a low-frequency range, the lowest frequencies of the spectrum to be analyzed may produce higher orders of diffraction. This creates the frequency bandwidth limitation of one octave for such a device. The present paper is devoted to some methods allowing to avoid this limitations. Such methods as data decoding using the inverse part of the device transmission function, higher order suppression by means of employing the Bragg cell with specific form of its frequency characteristic, and prolongation of Bragg diffraction frequency area to the lower frequencies using some peculiarities of anisotropic Bragg diffraction. Some experimental results illustrating the discussed method have been demonstrated.

Paper Details

Date Published: 2 October 1998
PDF: 9 pages
Proc. SPIE 3464, Optical Devices and Methods for Microwave/Millimeter-Wave and Frontier Applications, (2 October 1998); doi: 10.1117/12.323135
Show Author Affiliations
Boris S. Gurevich, BASK Ltd. Co. (Russia)
Sergei V. Andreyev, BASK Ltd. Co. (Russia)
Andrey V. Belyaev, BASK Ltd. Co. (Russia)
Pavel A. Burov, BASK Ltd. Co. (Russia)
Alexei A. Rodiontsev, BASK Ltd. Co. (Russia)
Valery N. Sokolov, BASK Ltd. Co. (Russia)


Published in SPIE Proceedings Vol. 3464:
Optical Devices and Methods for Microwave/Millimeter-Wave and Frontier Applications
Mario Nicola Armenise; Lev S. Sadovnik; Walter Pecorella; Lev S. Sadovnik, Editor(s)

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