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Analysis of influence of RF power and buffer gas pressure on sensitivity of optically pumped cesium magnetometer |
Shi Rong-Ye (石荣晔)a b, Wang Yan-Hui (王延辉)a b |
a Institute of Quantum Electronics, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China; b School of Software and Microelectronics, Peking University, Beijing 100871, China |
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Abstract A further study is conducted on two factors which respectively influence the sensitivity of optically pumped cesium magnetometer (CsOPM). The influence of radio frequency (RF) power and the buffer gas pressure on the sensitivity is theoretically analyzed, and some properties are predicted. Based on the established measurement system and the visible Zeeman spectrum, not only is the real influence of these factors studied, but also, under our experimental condition, optimum parameters based on the measured curves are ascertained. The properties of these measured curves match the theoretical result very well. Our research attempts to provide theory reference to help magnetometer designers determine optimum parameters under certain conditions.
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Received: 14 January 2013
Revised: 06 April 2013
Accepted manuscript online:
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PACS:
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07.55.Ge
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(Magnetometers for magnetic field measurements)
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42.50.Gy
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(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
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32.70.Jz
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(Line shapes, widths, and shifts)
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85.70.Sq
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(Magnetooptical devices)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11174015). |
Corresponding Authors:
Wang Yan-Hui
E-mail: wangyanhui@pku.edu.cn
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Cite this article:
Shi Rong-Ye (石荣晔), Wang Yan-Hui (王延辉) Analysis of influence of RF power and buffer gas pressure on sensitivity of optically pumped cesium magnetometer 2013 Chin. Phys. B 22 100703
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