Avoiding the impact of the heater-induced longitudinal field on atomic magnetometers

Avoiding the impact of the heater-induced longitudinal field on atomic magnetometers
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避免加热器感应纵向场对原子磁力计的影响

DOI:
10.1063/1.5054050
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发表时间:
2018-12
影响因子:
3.2
通讯作者:
Wang Zhiguo
Wang Zhiguo
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Jiang Qiyuan;Luo Hui;Zhan Xiang;Zhang Yi;Yang Kaiyong;Wang Zhiguo

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研究了加热器感应纵向磁场对矢量铷原子磁力仪低频横向磁场检测的影响,对应用加热器的参数优化有一定的启示。理论模拟和实验测量结果表明,通过适当调整频率和幅度,可以有效地消除热致纵向场的影响,同时可以提高信号幅度。数值模拟结果与实验测量结果吻合较好,表明该模型能够很好地预测考虑热生纵向磁场的原子磁力计的实际性能。
We study the impact of the heater-induced longitudinal field on the vector rubidium atomic magnetometers detecting low-frequency transverse magnetic field, which enlightens the parameter optimization of the applied heaters. Our results, both theoretical simulation and experimental measurement included, indicate that by carefully adjusting the frequency and amplitude, the impact of the heater-induced longitudinal field can be efficiently eliminated; meanwhile, the signal amplitude can be potentially enhanced. The numerical simulation agrees well with the experimental measurement in various cases, demonstrating that our proposed model is well suitable for predicting the actual performance of atomic magnetometers by taking the heater-induced longitudinal field into account.
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