Paper
11 November 1998 Strong collinear and quasi-collinear interaction of three-dimensional beams
Vladimir N. Parygin, Alex V. Vershoubskiy, Yu. Resvov
Author Affiliations +
Proceedings Volume 3581, Acousto-Optics and Applications III; (1998) https://doi.org/10.1117/12.330464
Event: Acousto-Optics and Applications III, 1998, Gdansk-Jurata, Poland
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.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Vladimir N. Parygin, Alex V. Vershoubskiy, and Yu. Resvov "Strong collinear and quasi-collinear interaction of three-dimensional beams", Proc. SPIE 3581, Acousto-Optics and Applications III, (11 November 1998); https://doi.org/10.1117/12.330464
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Cited by 6 scholarly publications.
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KEYWORDS
Acoustics

Diffraction

Signal attenuation

Acousto-optics

Beam propagation method

Distortion

Gadolinium

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