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Influence of temperature gradients on spectral transmission of acousto-optic tunable filters based on KH2PO4 crystal

Conference Paper (2016)
Author(s)

T. V. Yukhnevich (Chemistry Faculty of M. V. Lomonosov Moscow State University)

V. B. Voloshinov (Chemistry Faculty of M. V. Lomonosov Moscow State University)

S. N. Mantsevich (Chemistry Faculty of M. V. Lomonosov Moscow State University)

E. Dekemper (Royal Belgian Institute for Space Aeronomy (BIRA-IASB))

J. Vanhamel (Royal Belgian Institute for Space Aeronomy (BIRA-IASB))

B. Van Opstal (Royal Belgian Institute for Space Aeronomy (BIRA-IASB))

D. Fussen (Royal Belgian Institute for Space Aeronomy (BIRA-IASB))

Affiliation
External organisation
DOI related publication
https://doi.org/10.1109/ULTSYM.2016.7728518
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Publication Year
2016
Language
English
Affiliation
External organisation
ISBN (electronic)
9781467398978

Abstract

we examined acousto-optic interaction in the KH2PO4 crystal used in devices providing control of optical radiation parameters. The crystal was applied in a wide-angle tunable acousto-optic filter capable of image processing in the ultraviolet region of spectrum. The filter operated at different temperature conditions because of changes of environmental temperature and also due to heating of the crystal by driving electric and acoustic power. As found experimentally and proved theoretically, changes in the temperature of the instrument and appearance of thermal gradients in the crystal volume sufficiently influenced on operation characteristics of the acousto-optic device.

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