Precise measurement of 171Yb magnetic constants for 1S0–3P0 clock transition

doi:10.1088/1674-1056/aca14e

中国物理B ›› 2023, Vol. 32 ›› Issue (2): 20601-020601.doi: 10.1088/1674-1056/aca14e

Precise measurement of ¹⁷¹Yb magnetic constants for ¹S₀–³P₀ clock transition

Ang Zhang(张昂)^1,2, Congcong Tian(田聪聪)^1,2, Qiang Zhu(朱强)¹, Bing Wang(王兵)¹, Dezhi Xiong(熊德智)¹, Zhuanxian Xiong(熊转贤)^1,†, Lingxiang He(贺凌翔)^1,‡, and Baolong Lyu(吕宝龙)¹

1 Key Laboratory of Atomic Frequency Standards, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China

收稿日期:2022-10-12 修回日期:2022-11-07 接受日期:2022-11-09 出版日期:2023-01-10 发布日期:2023-01-31
通讯作者: Zhuanxian Xiong, Lingxiang He E-mail:zxxiong@apm.ac.cn;helx@apm.ac.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304402), the National Natural Science Foundation of China (Grant Nos. U20A2075 and 11803072), and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB21030100).

Precise measurement of ¹⁷¹Yb magnetic constants for ¹S₀–³P₀ clock transition

1 Key Laboratory of Atomic Frequency Standards, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China

Received:2022-10-12 Revised:2022-11-07 Accepted:2022-11-09 Online:2023-01-10 Published:2023-01-31
Contact: Zhuanxian Xiong, Lingxiang He E-mail:zxxiong@apm.ac.cn;helx@apm.ac.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304402), the National Natural Science Foundation of China (Grant Nos. U20A2075 and 11803072), and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB21030100).

摘要/Abstract

摘要： We present a precise measurement of $^{171}$Yb magnetic constants for $^{1}S_{0}$-$^{3}P_{0}$ clock transition. The background magnetic field is firstly compensated to $< 1$ $\rm{mGs}$ (1 ${\rm Gs}=10^{-4}$ T) through measuring the splitting of two $ \pi $ transitins of $^{171}$Yb clock transition at different compensation coils currents. Then, the splitting ratios of the $ \pi $ and $ \sigma $ components of $^{171}$Yb clock transition at different bias magnetic fields are measured, and the first-order Zeeman coefficient is determined to be $\alpha = 199.49(5)$ $\rm{Hz/Gs}$. The second-order Zeeman shifts at various bias magnetic fields are also measured through interleaved self-comparison in which the bias magnetic fields are modulated between high and low values. The second-order Zeeman coefficient is fitted to be $ \beta = -6.09(3)$ $\rm{Hz/mT^{2}}$, which is consistent with the result of NIST group.

关键词: optical lattice clock, ytterbium atoms, Zeeman effects, magnetic constants

Abstract: We present a precise measurement of $^{171}$Yb magnetic constants for $^{1}S_{0}$-$^{3}P_{0}$ clock transition. The background magnetic field is firstly compensated to $< 1$ $\rm{mGs}$ (1 ${\rm Gs}=10^{-4}$ T) through measuring the splitting of two $ \pi $ transitins of $^{171}$Yb clock transition at different compensation coils currents. Then, the splitting ratios of the $ \pi $ and $ \sigma $ components of $^{171}$Yb clock transition at different bias magnetic fields are measured, and the first-order Zeeman coefficient is determined to be $\alpha = 199.49(5)$ $\rm{Hz/Gs}$. The second-order Zeeman shifts at various bias magnetic fields are also measured through interleaved self-comparison in which the bias magnetic fields are modulated between high and low values. The second-order Zeeman coefficient is fitted to be $ \beta = -6.09(3)$ $\rm{Hz/mT^{2}}$, which is consistent with the result of NIST group.

Key words: optical lattice clock, ytterbium atoms, Zeeman effects, magnetic constants

中图分类号: (Time and frequency)

06.30.Ft

37.10.Jk (Atoms in optical lattices) 32.70.Jz (Line shapes, widths, and shifts) 42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)

Ang Zhang(张昂), Congcong Tian(田聪聪), Qiang Zhu(朱强), Bing Wang(王兵), Dezhi Xiong(熊德智), Zhuanxian Xiong(熊转贤), Lingxiang He(贺凌翔), and Baolong Lyu(吕宝龙). Precise measurement of ¹⁷¹Yb magnetic constants for ¹S₀–³P₀ clock transition[J]. 中国物理B, 2023, 32(2): 20601-020601.

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Precise measurement of ¹⁷¹Yb magnetic constants for ¹S₀–³P₀ clock transition

Precise measurement of ¹⁷¹Yb magnetic constants for ¹S₀–³P₀ clock transition

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