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	Laser pumped He-4 magnetometer with light shift suppression
	Lin, Zaisheng ; Wang, He ; Peng, Xiang ; Wu, Teng ; Guo, Hong
	2016
关键词	POLARIZATION SPECTROSCOPY FREQUENCY-MODULATION DISCHARGE
英文摘要	We report a laser-pumped He-4 atomic magnetometer with light shift suppression through the atomic sensor itself. A linearly polarized light is used to optically align the He-4 metastable atoms and we monitor the magneto-optical double resonance (MODR) signals produced by the left-and right-circularly orthogonal components. It is shown that light shift leads to the atomic alignment to orientation conversion effect, and thus, the difference between the two MODR signals. One of these two MODR signals is locked at the Larmor frequency and is used to measure the ambient magnetic field, while the differential signal is, simultaneously, fed back to suppress the light shift. The scheme could be of the advantage to the design of compact magnetometers by reducing the systematic errors due to light shift. Published by AIP Publishing.; CPCI-S(ISTP); 11; 87
语种	英语
出处	21st Topical Conference on High-Temperature Plasma Diagnostics
DOI标识	10.1063/1.4967304
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/459423]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Lin, Zaisheng,Wang, He,Peng, Xiang,et al. Laser pumped He-4 magnetometer with light shift suppression. 2016-01-01.

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