Collinear Acousto-Optical Transformation of Bessel Light Beams in Biaxial Gyrotropic Crystals

被引：4
|
作者：
Belyi, V. N. [1 ]
Kulak, G. V. [2 ]
Krokh, G. V. [2 ]
Shakin, O. V. [3 ]
机构：
[1] Natl Acad Sci Belarus, BI Stepanov Inst Phys, 68 Nezavisimost, Minsk 220072, BELARUS
[2] IP Shamiakin Mozyr State Pedag Univ, Mozyr, BELARUS
[3] State Univ Aerosp Instrumentat, St Petersburg, Russia
来源：
JOURNAL OF APPLIED SPECTROSCOPY | 2016年 / 83卷 / 02期
关键词：
collinear acousto-optical interaction; Bessel light beams; internal conical refraction; biaxial gyrotropic crystal; diffraction efficiency; INTERNAL CONICAL REFRACTION;
D O I：
10.1007/s10812-016-0282-5
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The collinear acousto-optical transformation of Bessel light beams in biaxial gyrotropic crystals into two annular, internal conical refraction beams with orthogonal elliptical polarization is studied. It is found that the diffraction efficiency is maximal (similar to 50-60%) for low ultrasound intensities and varies slightly with further increases in acoustic power. At high ultrasound intensities, the intensities of the transmitted and diffracted annular beams differ insignificantly. The possible use of this acousto-optical interaction for creating collinear tuneable narrow-band acousto-optical filters at low ultrasonic frequencies is demonstrated.
引用
收藏
页码：283 / 287
页数：5
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