Frequency difference stabilization in dual-frequency laser by stress-induced birefringence closed-loop control

被引：4
|
作者：
Li, Jiyang [1 ]
Niu, Yanxiong [1 ]
Niu, Haisha [1 ]
机构：
[1] Beihang Univ, Sch Instrumentat Sci & Optoelect Engn, Beijing 100083, Peoples R China
来源：
APPLIED OPTICS | 2016年 / 55卷 / 16期
基金：
中国国家自然科学基金;
关键词：
FEEDBACK INTERFEROMETRY; PHASE DIFFERENCE;
D O I：
10.1364/AO.55.004357
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The frequency difference of dual-frequency lasers is increasingly becoming an area of focus in research. The stabilization of beat frequency is of significance in fields such as synthetic wavelength and shows great potential in precise measurement. In this paper, a novel device based on stress-induced birefringence closed-loop control is proposed. Experiments are carried out on a dual-frequency He-Ne Zeeman-birefringence laser with the output mirror sealed in the opposite direction. The results show that the device is capable of controlling the frequency difference variation in 1.3%, in a convenient and highly cost-effective way, and it can increase the quantity of frequency difference, which is crucial to the application of precise measurement through dual-frequency lasers. (c) 2016 Optical Society of America
引用
收藏
页码：4357 / 4361
页数：5
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