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Proceedings Paper

Information metrology of acousto-optic tunable filters
Author(s): Boris Gurevich; Sergey Andreyev; Andrey Belyaev; Vyacheslav Chelak; Japar Ismailov; Nasypbek Jamankyzov
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Paper Abstract

Acousto-optic tunable filters (AOTF), besides their other functions, allow a multispectral processing of images. It means that AOTFs process the information in time, space, and wavelength domain. The optimization of the information treatment with the devices requires a specific approach to the metrology. In the present work, the approach, developed preliminarily for other acousto-optic devices, is extended to AOTF. It is shown that the wavelength selectivity of AOTF can be defined as a distance between two resolvable spectral lines in which a certain number of gray scale levels can be recognized with a preassigned probability. The experimental determination of the wavelength selectivity is much more complicated than the determination of the spatial or temporal selectivities. An apparatus for performing this complicated task is designed. The results of the measurements are presented.

Paper Details

Date Published: 13 June 2006
PDF: 6 pages
Proc. SPIE 5946, Optical Materials and Applications, 59461C (13 June 2006); doi: 10.1117/12.639181
Show Author Affiliations
Boris Gurevich, Scientific Instruments Co. (Russia)
Sergey Andreyev, Scientific Instruments Co. (Russia)
Andrey Belyaev, Scientific Instruments Co. (Russia)
Vyacheslav Chelak, Scientific Instruments Co. (Russia)
Japar Ismailov, Institute of Physics (Kyrgyzstan)
Nasypbek Jamankyzov, Institute of Physics (Kyrgyzstan)

Published in SPIE Proceedings Vol. 5946:
Optical Materials and Applications
Arnold Rosental, Editor(s)

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