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20 December 2019 The impact of radio-frequency magnetic field on atomic magnetometer
Yangying Fu, Jie Yuan
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Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 1120909 (2019) https://doi.org/10.1117/12.2542400
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China
Abstract
The impact of radio-frequency magnetic field on the cesium atomic magnetometer is investigated. A theoretical model based on Bloch equation is provided, which predicts the properties of magnetometer. A cesium atomic magnetometer is designed for the experimental measurements. The magnetometer linewidth and sensitivity, as a function of radio-frequency magnetic field size are obtained. The experimental results are in agreement with what predicted by the theoretical model. The results, both theoretical and experimental included, indicate that there is an optimal radio-frequency magnetic field size, at which value the magnetometer sensitivity is highest. This work enlightens the parameter optimization of atomic magnetometer, and helps for the enhancement of magnetometer sensitivity.
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Yangying Fu and Jie Yuan "The impact of radio-frequency magnetic field on atomic magnetometer", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 1120909 (20 December 2019); https://doi.org/10.1117/12.2542400
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KEYWORDS
Magnetism
Magnetometers
Cesium
Signal to noise ratio
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