Observation of the spectra of Cesium 6P3/2 - 8S1/2 transition and its application in laser frequency stabilization

Yang Baodong; Zhao Jiangyan; Liang Qiangbin; Yang Jianfeng; Zhang Tiancai; Wang Junmin

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Observation of the spectra of Cesium 6P3/2 - 8S1/2 transition and its application in laser frequency stabilization

Yang Baodong,Zhao Jiangyan,Liang Qiangbin,Yang Jianfeng,Zhang Tiancai,Wang Junmin * #

State Key Laboratory of Quantum Optics and Quantum Optics Devices (Shanxi University), and Institute of Opto-Electronics, Shanxi University

*Correspondence author

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Funding: 国家自然科学基金,国家自然科学基金,教育部新世纪优秀人才支持计划,国家重大研究计划课题,教育部博士点基金（No.60578018,10434080,NCET-07-0524,2006CB921102,20070108003）

Opened online:22 September 2008

Accepted by: none

Citation: Yang Baodong,Zhao Jiangyan,Liang Qiangbin.Observation of the spectra of Cesium 6P3/2 - 8S1/2 transition and its application in laser frequency stabilization[OL]. [22 September 2008] http://en.paper.edu.cn/en_releasepaper/content/24247

The spectra of the 133Cs 6P3/2 - 8S1/2 transition have been demonstrated by using both of the double resonance optical pumping (DROP) and the optical-optical double resonance (OODR) techniques. Compared with the OODR technique, the DROP spectra show much better signal-to-noise ratio (SNR) and narrow spectral linewidth. When the frequency of a 795nm external-cavity diode laser (ECDL) is stabilized to the DROP spectrum of 133Cs 6P3/2 F’ = 5 - 8S1/2 F’’ = 4 transition, the lowest square root of the Allan variance of 4.1x10-12 at an averaging time of 100s was obtained.

Keywords:excited states spectrum;double resonance optical pumping;optical-optical double resonance;signal-to-noise ratio; laser frequency stabilizationexcited states spectrum;double resonance optical pumping;optical-optical double resonance;signal-to-noise ratio; laser frequency

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