Optically pumped quantum Mx–MR magnetometer with high oscillating magnetic field

doi:10.1088/1674-1056/24/8/083202

Abstract A dip of the transverse component of the magnetic moment as a function of resonance frequency-detuning will emerge when the intensity of oscillating magnetic field exceeds a specific value, which is demonstrated theoretically and experimentally. The linewidth of magnetic-resonance signal can be much smaller than when the M_x–M_R magnetometer operates on condition that the intensity of oscillating magnetic field is smaller than this specific value, and the M_x–M_R magnetometer can possess a much higher signal-to-noise ratio. The experimental result shows that the sensitivity of M_x–M_R magnetometer can be improved by an order of magnitude under this condition.

Keywords: magnetic moment linewidth M_x–M_R magnetometer sensitivity

Received: 20 January 2015
Revised: 09 March 2015
Accepted manuscript online:

PACS:	32.80.Xx	(Level crossing and optical pumping)
	07.55.Ge	(Magnetometers for magnetic field measurements)
	07.55.Jg	(Magnetometers for susceptibility, magnetic moment, and magnetization measurements)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61475192) and the Science Research Program of National University of Defense Technology, China (Grant No. JC140702).

Corresponding Authors: Yuan Jie, Wang Zhi-Guo
E-mail: jieyuan@nudt.edu.cn;maxborn@nudt.edu.cn

Cite this article:

Ding Zhi-Chao (丁志超), Yuan Jie (袁杰), Wang Zhi-Guo (汪之国), Yang Kai-Yong (杨开勇), Luo Hui (罗晖) Optically pumped quantum M_x–M_R magnetometer with high oscillating magnetic field 2015 Chin. Phys. B 24 083202

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Optically pumped quantum Mx–MR magnetometer with high oscillating magnetic field

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Optically pumped quantum M_x–M_R magnetometer with high oscillating magnetic field