The Application of Low-Frequency Transition in the Assessment of the Second-Order Zeeman Frequency Shift
文献类型：期刊论文
| 作者 | Bai, Yang1,2,3; Wang, Xinliang2,3 ; Shi, Junru1,2,3; Yang, Fan1,2,3; Ruan, Jun2,3; Dong, Ruifang2,3; Zhang, Shougang2,3
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| 刊名 | SENSORS
 |
| 出版日期 | 2021-12-01 |
| 卷号 | 21期号:24页码:10 |
| 关键词 | cesium atomic fountain clock second-order Zeeman frequency shift low-frequency transition |
| DOI | 10.3390/s21248333 |
| 英文摘要 | Second-order Zeeman frequency shift is one of the major systematic factors affecting the frequency uncertainty performance of cesium atomic fountain clock. Second-order Zeeman frequency shift is calculated by experimentally measuring the central frequency of the (1,1) or (-1,-1) magnetically sensitive Ramsey transition. The low-frequency transition method can be used to measure the magnetic field strength and to predict the central fringe of (1,1) or (-1,-1) magnetically sensitive Ramsey transition. In this paper, we deduce the formula for magnetic field measurement using the low-frequency transition method and measured the magnetic field distribution of 4 cm inside the Ramsey cavity and 32 cm along the flight region experimentally. The result shows that the magnetic field fluctuation is less than 1 nT. The influence of low-frequency pulse signal duration on the accuracy of magnetic field measurement is studied and the optimal low-frequency pulse signal duration is determined. The central fringe of (-1,-1) magnetically sensitive Ramsey transition can be predicted by using a numerical integrating of the magnetic field "map". Comparing the predicted central fringe with that identified by Ramsey method, the frequency difference between these two is, at most, a fringe width of 0.3. We apply the experimentally measured central frequency of the (-1,-1) Ramsey transition to the Breit-Rabi formula, and the second-order Zeeman frequency shift is calculated as 131.03 x 10(-15), with the uncertainty of 0.10 x 10(-15). |
| WOS关键词 | ACCURACY EVALUATION ; CESIUM FOUNTAIN ; CLOCK |
| WOS研究方向 | Chemistry ; Engineering ; Instruments & Instrumentation |
| 语种 | 英语 |
| WOS记录号 | WOS:000742104600001 |
| 出版者 | MDPI |
| 源URL | [http://210.72.145.45/handle/361003/14002]  |
| 专题 | 国家授时中心_量子频标研究室 |
| 通讯作者 | Wang, Xinliang |
| 作者单位 | 1.Univ Chinese Acad Sci, Yu Quan Rd, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Natl Time Serv Ctr, Key Lab Time & Frequency Primary Stand, Xian 710600, Peoples R China 3.Chinese Acad Sci, Natl Time Serv Ctr, Shu Yuan Rd, Xian 710600, Peoples R China |
| 推荐引用方式 GB/T 7714 | Bai, Yang,Wang, Xinliang,Shi, Junru,et al. The Application of Low-Frequency Transition in the Assessment of the Second-Order Zeeman Frequency Shift[J]. SENSORS,2021,21(24):10. |
| APA | Bai, Yang.,Wang, Xinliang.,Shi, Junru.,Yang, Fan.,Ruan, Jun.,...&Zhang, Shougang.(2021).The Application of Low-Frequency Transition in the Assessment of the Second-Order Zeeman Frequency Shift.SENSORS,21(24),10. |
| MLA | Bai, Yang,et al."The Application of Low-Frequency Transition in the Assessment of the Second-Order Zeeman Frequency Shift".SENSORS 21.24(2021):10. |
入库方式： OAI收割
来源：国家授时中心
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