Polarization modulation in single-frequency He-Ne laser with an anisotropy feedback cavity

被引：0
|
作者：
陈文学 [1 ,2 ]
张书练 [2 ]
龙兴武 [1 ]
机构：
[1] Department of Opto-Electronic Engineering,College of Opto-Electric Science and Engineering,National University of Defense Technology
[2] The State Key Lab of Precision Measurement Technology and Instrument,Department of Precision Instruments,Tsinghua University
来源：
ChineseOpticsLetters | 2012年 / 10卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Polarization modulation in single-frequency He-Ne laser with an anisotropy feedback cavity;
D O I：
暂无
中图分类号：
TN24 [激光技术、微波激射技术];
学科分类号：
0803 ; 080401 ; 080901 ;
摘要：
The polarization state is modulated by tilting birefringence component placed in the feedback external cavity.The variation of the polarization state in one period of modulation is found to be similar to sine wave.The periods become increasingly smaller.The maximum of variation in one period decreases against the rotated angle.The experimental phenomenon is subjected to the change of optical path and secondary reflection.The phenomenon is analyzed theoretically based on geometrical optics and crystal optics.High-accuracy measurements of absolute and relative angles can be realized based on the experimental phenomenon.The angle resolution is 0.1 arcsec in theory.
引用
收藏
页码：58 / 61
页数：4
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