Wide-Angle Polarization-Independent Paratellurite-Based Acousto-Optic Laser Radiation Modulator

被引：7
|
作者：
Antonov, S. N. [1 ]
机构：
[1] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Fryazino Branch, Fryazino 141190, Moscow Oblast, Russia
来源：
ACOUSTICAL PHYSICS | 2020年 / 66卷 / 01期
关键词：
anisotropic acousto-optic diffraction; acousto-optic modulator; light polarization; angular diffraction range; DEFLECTOR; EFFICIENCY; SYSTEM;
D O I：
10.1134/S106377101905004X
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
High-efficiency wide-angle polarization-independent acousto-optic diffraction of laser radiation in a paratellurite-based modulator is experimentally studied. The previously published main theoretical principles are confirmed. We have shown that the angular aperture of the acousto-optic modulator can be similar to 8 degrees in an ultrasonic frequency range of 135-68 MHz depending on the light wavelength and 2 degrees-5 degrees in the range of 20-30 MHz. A wide-angle acousto-optic depolarized laser radiation modulator has been created that operates at a wavelength lambda = 1.06 mu m with one output depolarized beam and an efficiency of no less than 90% for input radiation with an angular aperture of 30 mrad.
引用
收藏
页码：5 / 11
页数：7
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