Publisher： Trans Tech Publications
E-ISSN： 1662-9795|2018|787|75-80
ISSN： 1013-9826
Source： Key Engineering Materials, Vol.2018, Iss.787, 2018-12, pp. : 75-80
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Abstract
This paper presents a spin modulated atomic magnetometer, different from other kinds of atomic magnetometers, the conversion coefficient between the polarization signal and the magnetic field to be measured is independent of the transverse relaxation time, which means that the higher sensitivity can be achieved when polarization is kept constant. For better understanding, the magnetic noise of spin modulated magnetometer is demonstrated and compared to SERF magnetometer. The magnetic noise measurement experiment is designed, the experimental results are consistent with the theoretical prediction. This paper validate the unique property of spin modulated magnetometer and this property will play an important role in guiding the optimization of future experiments.
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