Influence of acoustic anisotropy in paratellurite on quasicollinear acousto-optic interaction

被引：23
|
作者：
Mantsevich, S. N. [1 ]
Balakshy, V. I. [1 ]
Molchanov, V. Ya. [2 ]
Yushkov, K. B. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119991, Russia
[2] Natl Univ Sci & Technol MISIS, Moscow 119049, Russia
来源：
ULTRASONICS | 2015年 / 63卷
基金：
俄罗斯科学基金会;
关键词：
Media anisotropy; Acoustic beam structure; Acousto-optic interaction; Quasicollinear geometry; Transmission function; COLLINEAR DIFFRACTION; BEAMS; PROPAGATION; CELLS; FIELD;
D O I：
10.1016/j.ultras.2015.06.010
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The influence of paratellurite acoustic anisotropy on the quasicollinear acousto-optic diffraction characteristics was examined. In the presented case the quasicollinear geometry of acousto-optic diffraction is realized with the use of acoustic beam reflection from one of the crystal surfaces. The simulations were based on the solution of acoustic beams propagation problem for anisotropic media previously presented in Balakshy and Mantsevich (2012). It is shown that media inhomogeneity affects the distribution of the acoustic energy in the ultrasound beam and the shape of wave fronts. The acoustic beam structure influences the characteristics of quasicollinear acousto-optic diffraction causing transformation of acousto-optic device transmission function shape and reducing the diffraction efficiency. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：39 / 46
页数：8
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