Nuerlan Tuerdahong, Lianqing Zhu, Guangwei Chen, Huiyu Li, Jing Zhu. Structure of Fabry-Perot cavity type weak magnetic sensitivity enhancement vapor cell[J]. Infrared and Laser Engineering, 2021, 50(11): 20210155
- Infrared and Laser Engineering
- Vol. 50, Issue 11, 20210155 (2021)
Fig. 1. (a) Mechanism of SERF atomic magnetometer; (b) Measurement of setup of SERF atomic magnetometer
Fig. 2. Resonance spectrum linewidth features under the cell temperature varying from 120 °C to 210 °C
Fig. 3. Schematic structure of FP cavity
Fig. 4. Influence of (a) absorption and (b) off-resonance parameter on output light rotation angle
Fig. 5. Relationship between the laser interaction distance and output light rotation angle in three conditions, from top to bottom are α =0, Δφ =0; α =0.04 m−1, Δφ =0; α =0, Δφ =π/32, respectively
Fig. 6. Evolution of amplification factor along with the laser transmission distance under two sets: the off-resonance Δφ is π/64 and π/32 respectivitly for different absorption coefficients
Fig. 7. (a) Dynamic diagram of output light rotation angle ψ with the parameters of α and Δφ; (b) Decline of output light rotation angle with increase of absorption coefficients
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Table 1. Numerical calculation parameters of optical field
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