Researching | Study on Influence of Probe Laser Frequency on Magnetometer Embedded in Nuclear Magnetic Resonance Gyroscope

Chinese Journal of Lasers, Volume. 49, Issue 21, 2112001(2022)

Study on Influence of Probe Laser Frequency on Magnetometer Embedded in Nuclear Magnetic Resonance Gyroscope

Jiajia Li¹, Chang Chen¹, Qiyuan Jiang^1、*, Zhiguo Wang^1,2、**, and Hui Luo¹

Author Affiliations

¹College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, Hunan, China

²Interdisciplinary Center of Quantum Information, National University of Defense Technology, Changsha 410073, Hunan, China

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Figures&Tables (8)

References (25)

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Fig. 1. Simplified energy level structure diagram of ⁸⁷Rb

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Fig. 2. Schematic of experimental setup

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Fig. 3. Magnetometer EPR signal intensity versus frequency detuning

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Fig. 4. Magnetometer EPR signal intensity versus frequency detuning under action of hyperfine structure

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Fig. 5. Magnetometer transmittance versus frequency detuning

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Fig. 6. Magnetometer rotation angle versus frequency detuning

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Table 1. Simulation parameters

Table 1. Simulation parameters

Parameter	Value
Cell length /mm	8
Xe pressure /torr	20
N₂ pressure /torr	300
Transition strength of Rb D1 line	0.332
Transition strength of Rb D2 line	0.668
Pressure broadening coefficient for Rb D1 line broadened by N₂ /(GHz/amg)	17.8
Pressure shift coefficient for Rb D1 line broadened by N₂ /(GHz/amg)	－8.25
Pressure broadening coefficient for Rb D1 line broadened by Xe /(GHz/amg)	15.9
Pressure shift coefficient for Rb D1 line broadened by Xe /(GHz/amg)	－5.76

Table 2. Approximation of relative intensity corresponding to hyperfine transition
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Table 2. Approximation of relative intensity corresponding to hyperfine transition
Hyperfine transition A_F→F′
F＝1→F′＝1 1/16
F＝1→F′＝2 5/16
F＝2→F′＝1 5/16
F＝2→F′＝2 5/16

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Jiajia Li, Chang Chen, Qiyuan Jiang, Zhiguo Wang, Hui Luo. Study on Influence of Probe Laser Frequency on Magnetometer Embedded in Nuclear Magnetic Resonance Gyroscope[J]. Chinese Journal of Lasers, 2022, 49(21): 2112001

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Paper Information

Category: quantum optics

Received: Jan. 25, 2022

Accepted: Mar. 8, 2022

Published Online: Oct. 14, 2022

The Author Email: Jiang Qiyuan (745266586@qq.com), Wang Zhiguo (maxborn@163.com)

DOI:10.3788/CJL202249.2112001

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology