NTSC-IR  > 量子频标研究室
Strontium optical lattice clock at the National Time Service Center
Wang Yebing; Yin Mojuan; Ren Jie; Xu Qinfang; Lu Benquan; Han Jianxin; Guo Yang; Chang Hong
2018
Source Publicationchinese physics b
ISSN1674-1056
Volume27Issue:2Pages:204
Abstract

We report the Sr-87 optical lattice clock developed at the National Time Service Center. We achieved a closed-loop operation of the optical lattice clock based on Sr-87 atoms. The linewidth of the spin-polarized clock peak is 3.9 Hz with a clock laser pulse length of 300 ms, which corresponds to a Fourier-limited linewidth of 3 Hz. The fitting of the in-loop error signal data shows that the instability is approximately 5 x 10(-15)tau(-1/2), affected primarily by the white noise. The fractional frequency difference averages down to 5.7 x 10(-17) for an averaging time of 3000 s.

Language英语
Funding Project[National Natural Science Foundation of China] ; [Key Research Project of Frontier Science of the Chinese Academy of Sciences] ; [Strategic Priority Research Program of the Chinese Academy of Sciences]
WOS IDWOS:000434826700001
Citation statistics
Document Type期刊论文
Identifierhttp://210.72.145.45/handle/361003/9112
Collection量子频标研究室
Affiliation中国科学院国家授时中心
First Author Affilication中国科学院国家授时中心
Recommended Citation
GB/T 7714
Wang Yebing,Yin Mojuan,Ren Jie,et al. Strontium optical lattice clock at the National Time Service Center[J]. chinese physics b,2018,27(2):204.
APA Wang Yebing.,Yin Mojuan.,Ren Jie.,Xu Qinfang.,Lu Benquan.,...&Chang Hong.(2018).Strontium optical lattice clock at the National Time Service Center.chinese physics b,27(2),204.
MLA Wang Yebing,et al."Strontium optical lattice clock at the National Time Service Center".chinese physics b 27.2(2018):204.
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