Quasi-collinear AOTF with improved resolution

Marina Pushkareva; Vladimir N. Parygin

doi:10.1117/12.447621

6 November 2001 Quasi-collinear AOTF with improved resolution

Marina Pushkareva, Vladimir N. Parygin

Proceedings Volume 4514, Acousto-Optics and Applications IV; (2001) https://doi.org/10.1117/12.447621
Event: Acousto-Optics and Applications IV, 2001, Gdansk-Jurata, Poland

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.

Citation Download Citation

Marina Pushkareva and Vladimir N. Parygin "Quasi-collinear AOTF with improved resolution", Proc. SPIE 4514, Acousto-Optics and Applications IV, (6 November 2001); https://doi.org/10.1117/12.447621

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