A measurement method of transverse light-shift in atomic spin co-magnetometer

• URL: http://arxiv.org/abs/2111.14481v1
• Date: Mon, 29 Nov 2021 11:51:56 GMT
• Title: A measurement method of transverse light-shift in atomic spin co-magnetometer
• Authors: Li Xing, Wei Quan, Tianxiao Song, Qingzhong Cai and Wen Ye
• Abstract summary: We obtain the transverse light-shift along the probe light of a single-axis alkali metal-noble gas co-magnetometer. The relationship between transverse compensating field and light-shift is deduced through the steady-state solution of Bloch equations.
• Score: 1.1578946210593468
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We disclose a method to obtain the transverse light-shift along the probe light of a single-axis alkali metal-noble gas co-magnetometer. The relationship between transverse compensating field and light-shift is deduced through the steady-state solution of Bloch equations. The variety of probe light intensity is used to obtain the residual magnetic field, and step modulation tests are applied to acquire the total spin-relaxation rate of electron spins and self-compensation point. Finally, the transverse light-shift is reduced from -0.115 nT to -0.039 nT by optimizing the probe light wavelength, and the value of the calibration coefficient can be increased simultaneously.

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