Optical feedback characteristics in He-Ne dual frequency lasers

被引：0
|
作者：
Mao Wei [1 ]
Zhang Shu-Lian [1 ]
Zhang Lian-Qing [1 ]
Zhu Jun [1 ]
Li Yan [1 ]
机构：
[1] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2006年 / 23卷 / 05期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Optical feedback characteristics in He-Ne dual frequency lasers are studied systematically in different feedback power ratios with a variable attenuator. Feedback power ratios vary from 0.010 up to 0.998. Five distinct regimes of self-interference effects are found and defined as regimes I, II, III, IV and V. Accordingly, five optical feedback levels have been put forward in He-Ne dual frequency lasers. Strong mode competitions are observed in regimes III and IV. In regime V, multiple feedback effects are investigated. The basic theoretical analysis is also presented. Our results can advance the research of self-mixing interferometer and displacement sensor of He-Ne orthogonally polarized dual frequency lasers.
引用
收藏
页码：1188 / 1191
页数：4
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