Scalar Potassium Magnetometer Based On Amplitude Modulated Nonlinear Magneto-Optical Rotation

Yudong Ding,Rui Zhang,Junhe Zheng,Jingbiao Chen,Xiang Peng,Teng Wu,Hong Guo

2021 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS)（2021）

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摘要

In this work, a scalar potassium magnetometer based on amplitude modulated nonlinear magneto-optical rotation (AM NMOR) is experimentally built and reaches noise level of $30{\text{fT}}/\sqrt {{\text{Hz}}} $ under a low-noise bias magnetic field. Our potassium magnetometer could be applied to a large earth’s magnetic field, where the performance of cesium magnetometer is limited by nonlinear Zeema...

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关键词

Potassium,AM-NMOR,nonlinear-Zeeman effect

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