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Recent improvements on the pulsed optically pumped rubidium clock at SIOM

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Abstract

We report the recent progress of our pulsed optically pumped (POP) vapor cell rubidium clock with dispersive detection. A new compact physics package is made. A rubidium cell with a high precision buffer gases mixing ratio is obtained, and the temperature controlling system is renovated to reduce fractional frequency sensitivity to temperature variation. The resolution of the servo control voltage is also optimized. With these improvements, a clock frequency stability of 3.53×10?13 at 1 s is obtained, and a fractional frequency stability of 4.91×10?15 is achieved at an average time of τ=2000 s.

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DOI:10.3788/col201715.040201

所属栏目:Atomic and molecular physics

收稿日期:2016-11-22

录用日期:2017-01-06

网络出版日期:2017-02-10

作者单位    点击查看

Gongxun Dong:Key Laboratory of Quantum Optics, and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences, Shanghai 201 800, ChinaUniversity of Chinese Academy of Sciences, Beijing 100049, China
Jianliao Deng:Key Laboratory of Quantum Optics, and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences, Shanghai 201 800, China
Jinda Lin:Key Laboratory of Quantum Optics, and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences, Shanghai 201 800, China
Song Zhang:Key Laboratory of Quantum Optics, and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences, Shanghai 201 800, China
Haixiao Lin:Key Laboratory of Quantum Optics, and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences, Shanghai 201 800, ChinaUniversity of Chinese Academy of Sciences, Beijing 100049, China
and Yuzhu Wang:Key Laboratory of Quantum Optics, and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences, Shanghai 201 800, China

联系人作者:联系作者(jldeng@siom.ac.cn)

备注:This work was supported by the National Natural Science Foundation of China under Grant Nos. 91536220 and 11504393.

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引用该论文

Gongxun Dong, Jianliao Deng, Jinda Lin, Song Zhang, Haixiao Lin, and Yuzhu Wang, "Recent improvements on the pulsed optically pumped rubidium clock at SIOM," Chinese Optics Letters 15(4), 040201 (2017)

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