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13 May 2022 Effect of RF field intensity on resonance spectrum of rubidium optically pumped magnetometer
Kun Xu, Xiuyan Ren
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Proceedings Volume 12248, Second International Conference on Sensors and Information Technology (ICSI 2022); 122480O (2022) https://doi.org/10.1117/12.2637503
Event: 2nd International Conference on Sensors and Information Technology (ICSI 2022), 2022, Nanjing, China
Abstract
As a weak magnetic sensor, optical pump magnetometer is widely used in resource exploration, space exploration, and other fields. According to the principle of measuring weak magnetic anomaly signal under geomagnetic field, a rubidium optical pump magnetometer experimental system is built based on the methods of laser pumping and RF(radio frequency) field depolarization, The influence of RF field intensity on the resonance spectrum of rubidium optical pump magnetometer is studied. The results show that the intensity and linewidth of the resonance spectrum increase with the increase of RF field intensity, but the ratio of linewidth to intensity has a minimum. This paper provides a technical basis for the sensitivity optimization of rubidium optically pumped magnetometer.
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Kun Xu and Xiuyan Ren "Effect of RF field intensity on resonance spectrum of rubidium optically pumped magnetometer", Proc. SPIE 12248, Second International Conference on Sensors and Information Technology (ICSI 2022), 122480O (13 May 2022); https://doi.org/10.1117/12.2637503
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KEYWORDS
Magnetometers
Rubidium
Optical pumping
Magnetic sensors
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