Three-axis atomic magnetometer for nuclear magnetic resonance gyroscopes

被引：33
|
作者：
Qiu, Xuyang [1 ]
Xu, Zhengyi [1 ]
Peng, Xinxin [1 ]
Li, Lianhua [1 ]
Zhou, Yinmin [1 ]
Wei, Mengmeng [1 ]
Zhou, Min [1 ]
Xu, Xinye [1 ]
机构：
[1] East China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2020年 / 116卷 / 03期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
FIELD;
D O I：
10.1063/1.5139040
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A three-axis atomic magnetometer for nuclear magnetic resonance gyroscopes (NMRGs) is demonstrated. To satisfy the miniaturization demand of NMRGs, a magnetic-resonance-based atomic magnetometer is used to detect the longitudinal magnetic field. Simultaneously, the longitudinal field is modulated to measure the magnetic field in x and y axes based on a nonlinear magneto-optical rotation magnetometer. Magnetic field sensitivities of 100 fT/Hz(1/2) in x and y axes and 20 fT/Hz(1/2) in the z axis are achieved. The bandwidths of this magnetometer are 96 Hz in x and y axes and 6 Hz in the z axis. A high-sensitivity three-axis magnetometer is essential to accomplish the rotation detection in NMRGs and also plays a vital role in optimizing the performance of gyroscopes.
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页数：5
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