首页 | 本学科首页   官方微博 | 高级检索  
     检索      

铷原子饱和吸收光谱与偏振光谱对780nm半导体激光器稳频的比较
引用本文:王杰,高静,杨保东,张天才,王军民.铷原子饱和吸收光谱与偏振光谱对780nm半导体激光器稳频的比较[J].中国光学与应用光学文摘,2011(3).
作者姓名:王杰  高静  杨保东  张天才  王军民
作者单位:山西大学光电研究所量子光学与光量子器件国家重点实验室;
基金项目:国家自然科学基金资助项目(No.61078051,60978017,10974125);国家自然科学基金创新群体项目(No.60821004); 教育部新世纪优秀人才支持计划项目(No.NCET-07-0524)
摘    要:将激光频率锁定于合适的参考频率,可以有效地抑制激光器的频率起伏。本文采用铷原子D2线超精细跃迁线的饱和吸收光谱和偏振光谱分别获得鉴频曲线,通过电子伺服系统将频率校正信号负反馈到780 nm光栅外腔反馈半导体激光器外腔的压电陶瓷上的方法对激光器进行稳频。介绍了两种方法的基本原理和实验方案。与激光器自由运转300s时激光器典型的频率起伏约6.6 MHz相比,采用饱和吸收光谱和偏振光谱进行稳频,运转300 s时激光器典型的残余频率起伏分别约为1.5 MHz和0.6 MHz。分析表明,饱和吸收光谱稳频采用了相敏检波技术,需要对激光器进行频率调制,带来了额外的频率噪声,而偏振光谱稳频则是一种完全无频率调制的稳频方案。

关 键 词:偏振光谱  饱和吸收光谱  激光稳频  无频率调制  铷原子气室  

Comparison of frequency locking of 780 nm diode laser via rubidium saturated absorption and polarization spectroscopies
WANG Jie,GAO Jing,YANG Bao-dong,ZHANG Tian-cai,WANG Jun-min.Comparison of frequency locking of 780 nm diode laser via rubidium saturated absorption and polarization spectroscopies[J].Chinese Optics and Applied Optics Abstracts,2011(3).
Authors:WANG Jie  GAO Jing  YANG Bao-dong  ZHANG Tian-cai  WANG Jun-min
Institution:WANG Jie,GAO Jing,YANG Bao-dong,ZHANG Tian-cai,WANG Jun-min (State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Opto-Electronics,Shanxi University,Taiyuan 030006,China)
Abstract:Locking laser frequency to an available reference standard can efficiently suppress the fluctuation of laser frequency and improve the frequency stability.In this paper,the Saturated Absorption Spectroscopy(SAS) and the Polarization Spectroscopy(PS) of rubidium D2 line were used to obtain the frequency discrimination curves.Then the error correcting signals from the frequency discrimination were sent in negatively feedback to the piezeo-electric transducer of a 780 nm external-cavity diode laser(ECDL) by el...
Keywords:polarization spectroscopy  saturated absorption spectroscopy  laser frequency stabilization  modulation free  rubidium atomic vapor cell  
本文献已被 CNKI 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号