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Proceedings Paper

Diffraction of light by ultrasound in acoustically anisotropic medium
Author(s): Vitaly B. Voloshinov; O. Makarov
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Paper Abstract

The paper is devoted to investigation of Bragg diffraction of light by ultrasound propagating in media possessing strong anisotropy of acoustic properties. It is shown that acoustic anisotropy of crystal influences on the process of light and sound interaction. In case of Bragg regime of acousto-optic interaction, intensity of diffracted light and frequency bandwidths of diffraction in the crystals differ from corresponding diffraction efficiencies and acoustic bandwidths in glass materials. During intermediate between Bragg and Raman-Nath regimes of interaction at normal incidence angles, a symmetry of optical intensity distribution over positive and negative diffraction maximums is broken. As a result of the performed research, unknown regimes of acousto-optic interaction provided by acoustic anisotropy of crystal are predicted. For example, collinear isotropic diffraction and interaction with low sensitivity to divergency of acoustic beams are described in the paper.

Paper Details

Date Published: 11 November 1998
PDF: 10 pages
Proc. SPIE 3581, Acousto-Optics and Applications III, (11 November 1998); doi: 10.1117/12.330463
Show Author Affiliations
Vitaly B. Voloshinov, Moscow State Univ. (Russia)
O. Makarov, Moscow State Univ. (Russia)

Published in SPIE Proceedings Vol. 3581:
Acousto-Optics and Applications III
Antoni Sliwinski; Bogumil B. J. Linde; Piotr Kwiek, Editor(s)

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