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Proceedings Paper

Quasi-collinear AOTF with improved resolution
Author(s): Marina Pushkareva; Vladimir N. Parygin
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Paper Abstract

A number of possible configurations of acousto-optical tunable filter (AOTF) with a quasi-collinear geometry of interaction in the paratellurite crystal are observed. A theoretical examination of the AOTF resolution improving problem in the case of quasi-collinear geometry of acousto-optical interaction is presented. The analysis of interaction of light and sound in different planes of the paratellurite crystal is carried out. Devices with spherical angles of sound equal to 85.5° and 88° in the plane (110) are calculated. Some new and original configurations of AOTF are described. Possible angle apertures of sound and light in all these kinds of devices are observed and the frequency dependence, figure of merit dependencies are presented.

Paper Details

Date Published: 6 November 2001
PDF: 6 pages
Proc. SPIE 4514, Acousto-Optics and Applications IV, (6 November 2001); doi: 10.1117/12.447621
Show Author Affiliations
Marina Pushkareva, M.V. Lomonosov Moscow State Univ. (Russia)
Vladimir N. Parygin, M.V. Lomonosov Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 4514:
Acousto-Optics and Applications IV

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