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Proceedings Paper

Strong collinear and quasi-collinear interaction of three-dimensional beams
Author(s): Vladimir N. Parygin; Alex V. Vershoubskiy; Yu. Resvov
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Paper Abstract

The peculiarities of collinear and quasi collinear acoustooptical interaction in which the energy propagation directions of incident optical and acoustic beams coincide is theoretically investigated. The approximation of slightly divergent optical and acoustic beams in anisotropic medium is used. The problem of slightly divergent acoustic beam propagation in an anisotropic medium within the limits of parabolic approximation is discussed. Generalized equations describing the quasi-collinear interaction of light and sound in an anisotropic medium are obtained. An approximate method of solution of these equations in the case of the light beam from invariancy during diffraction is suggested. Both transmitted and diffracted beams are considered to have Gaussian distribution of amplitude with their radii slowly varying along the interaction coordinate. The system of first order equations that bound characteristics of transmitted and diffracted light beams and of acoustic beam is deduced. The solution of these equations in the case of strong acoustooptical interaction is analyzed.

Paper Details

Date Published: 11 November 1998
PDF: 9 pages
Proc. SPIE 3581, Acousto-Optics and Applications III, (11 November 1998); doi: 10.1117/12.330464
Show Author Affiliations
Vladimir N. Parygin, Moscow State Univ. (Russia)
Alex V. Vershoubskiy, Moscow State Univ. (Russia)
Yu. Resvov, Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 3581:
Acousto-Optics and Applications III

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