Improving the Medium-long Term Frequency Stability of Pulsed Optically Pumped Rubidium Clock

被引：0
|
作者：
Shen, Qian [1 ,2 ]
Deng, Jianliao [1 ]
Lin, Haixiao [1 ,2 ]
Zhang, Song [1 ]
Wang, Yuzhu [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Quantum Opt, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
来源：
2019 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM - FALL (PIERS - FALL) | 2019年
基金：
中国国家自然科学基金;
关键词：
ATOMIC CLOCK;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we present the improvements of the medium-long term frequency stability of the POP atomic clock. A new temperature servo system with higher temperature stability is developed. The temperature fluctuation of the cavity is 27 K-1 at 104 s, which is improved by approximately one order of magnitude compared to previous result. And the whole physics package is sealed inside a vacuum chamber. With these improvements, the frequency stability of 2.2 x 10(-13) and 7.8 x 10(-15) are achieved at an average time of tau = 1s and tau = 10(4) s, respectively.
引用
收藏
页码：1601 / 1605
页数：5
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