Acousto-optic interaction of diverging Gaussian beams in anisotropic media

被引：6

作者：

Vershubskii, AV ^{[1
]}

Parygin, VN ^{[1
]}

Rezvov, YG ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119899, Russia

来源：

ACOUSTICAL PHYSICS | 2001年 / 47卷 / 01期

关键词：

D O I：

10.1134/1.1340074

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A strong acousto-optic interaction of bounded light and sound beams of a Gaussian shape is considered for different geometries permitting long-term interaction. The anisotropic spreading of an acoustic beam in the course of its propagation is taken into account. The spectra of light beams are described by a Gaussian-polynomial expression, and a set of differential equations is derived which allows one to describe various geometries of acousto-optic diffraction. It is demonstrated that the transmission function of an acousto-optic cell essentially depends on the ratio between the dimensions of the light and sound beams and on the angle between the propagation direction of the diffracted beam and that of the incident beam. The degree of spreading of the acoustic beam noticeably affects the suppression of the transmission side lobes. © 2001 MAIK "Nanka/Interperiodica".

引用

页码：22 / 28

页数：7

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