Acousto-optic interaction in an inhomogeneous acoustic field

被引：0
|
作者：
S. N. Mantsevich
V. I. Balakshy
机构：
[1] Moscow State University,
来源：
Optics and Spectroscopy | 2015年 / 118卷
关键词：
Acoustic Field; Diffraction Efficiency; Acoustic Power; Acoustic Beam; Acoustic Anisotropy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Light diffraction in an inhomogeneous acoustic field of the near-field zone of a piezoelectric transducer has been investigated for two versions of acousto-optic interaction: collinear diffraction (at a Bragg angle of 90°) and quasi-orthogonal diffraction (at small Bragg angles). The amplitude, angular, and spectral characteristics have been numerically calculated for calcium molybdate and paratellurite crystals. It is established that the acoustic-field inhomogeneity reduces the diffraction efficiency, broadens the angular and spectral interaction ranges, and thus negatively affects characteristics of acousto-optic devices.
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页码：617 / 622
页数：5
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