Information metrology of acousto-optic tunable filters

Boris Gurevich; Sergey Andreyev; Andrey Belyaev; Vyacheslav Chelak; Japar Ismailov; Nasypbek Jamankyzov

doi:10.1117/12.639181

13 June 2006 Information metrology of acousto-optic tunable filters

Boris Gurevich, Sergey Andreyev, Andrey Belyaev, Vyacheslav Chelak, Japar Ismailov, Nasypbek Jamankyzov

Proceedings Volume 5946, Optical Materials and Applications; 59461C (2006) https://doi.org/10.1117/12.639181
Event: Optical Materials and Applications, 2005, Tartu, Estonia

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.

Citation Download Citation

Boris Gurevich, Sergey Andreyev, Andrey Belyaev, Vyacheslav Chelak, Japar Ismailov, and Nasypbek Jamankyzov "Information metrology of acousto-optic tunable filters", Proc. SPIE 5946, Optical Materials and Applications, 59461C (13 June 2006); https://doi.org/10.1117/12.639181

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