中国物理B ›› 2018, Vol. 27 ›› Issue (5): 53201-053201.doi: 10.1088/1674-1056/27/5/053201

• ATOMIC AND MOLECULAR PHYSICS • 上一篇    下一篇

Precise calibration of zero-crossing temperature and drift of an ultralow expansion cavity with a clock transition spectrum

Hui Liu(刘慧), Kun-Liang Jiang(姜坤良), Jin-Qi Wang(王进起), Zhuan-Xian Xiong(熊转贤), Ling-Xiang He(贺凌翔), Bao-Long Lü(吕宝龙)   

  1. 1 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
    2 Key Laboratory of Atomic Frequency Standards, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
    3 University of Chinese Academy of Sciences, Beijing 100049, China
  • 收稿日期:2017-11-22 修回日期:2018-02-14 出版日期:2018-05-05 发布日期:2018-05-05
  • 通讯作者: Ling-Xiang He E-mail:helx@wipm.ac.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos.61227805,11574352,91536104,and 91636215) and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No.XDB21030100).

Precise calibration of zero-crossing temperature and drift of an ultralow expansion cavity with a clock transition spectrum

Hui Liu(刘慧)1,2,3, Kun-Liang Jiang(姜坤良)1,2,3, Jin-Qi Wang(王进起)1,2,3, Zhuan-Xian Xiong(熊转贤)1,2, Ling-Xiang He(贺凌翔)1,2, Bao-Long Lü(吕宝龙)1,2   

  1. 1 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
    2 Key Laboratory of Atomic Frequency Standards, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
    3 University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2017-11-22 Revised:2018-02-14 Online:2018-05-05 Published:2018-05-05
  • Contact: Ling-Xiang He E-mail:helx@wipm.ac.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos.61227805,11574352,91536104,and 91636215) and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No.XDB21030100).

摘要: We report a clock transition spectrum approach, which is used to calibrate the zero-crossing temperature and frequency drift of an ultralow expansion (ULE) cavity with a Hertz level resolution. With this approach, the linear and nonlinear drifts of the ULE cavity along a variety of controlled temperatures are clearly presented. When the controlled temperature of ULE cavity is tuned away from the zero-crossing temperature of the ULE cavity, the cavity shows larger and larger nonlinear drift. According to our theoretical analysis and experimental results, we investigate more details of the drift property of the ULE cavity around the zero-crossing temperature, which has seldom been explored before. We can definitely conclude that the zero-crossing temperature of our ULE cavity used in an ytterbium (Yb) lattice clock is around 31.7℃.

关键词: clock transition spectra, ULE cavity, frequency drift, zero-crossing temperature

Abstract: We report a clock transition spectrum approach, which is used to calibrate the zero-crossing temperature and frequency drift of an ultralow expansion (ULE) cavity with a Hertz level resolution. With this approach, the linear and nonlinear drifts of the ULE cavity along a variety of controlled temperatures are clearly presented. When the controlled temperature of ULE cavity is tuned away from the zero-crossing temperature of the ULE cavity, the cavity shows larger and larger nonlinear drift. According to our theoretical analysis and experimental results, we investigate more details of the drift property of the ULE cavity around the zero-crossing temperature, which has seldom been explored before. We can definitely conclude that the zero-crossing temperature of our ULE cavity used in an ytterbium (Yb) lattice clock is around 31.7℃.

Key words: clock transition spectra, ULE cavity, frequency drift, zero-crossing temperature

中图分类号:  (Line shapes, widths, and shifts)

  • 32.70.Jz
37.10.Jk (Atoms in optical lattices) 42.62.Fi (Laser spectroscopy)