Fig. 1. Schematic diagram of magnetic rotation absorption cell

Fig. 2. Magnetic field diagram of coils

Fig. 3. Geometric model of magnetic rotation absorption cell

Fig. 4. Grid division result

Fig. 5. Relationship between magnetic induction intensity and excitation current. (a) Magnetic induction intensity distributions under different excitation currents; (b) calibration of magnetic induction intensity and excitation current

Fig. 6. Relationship between magnetic induction intensity and N. (a) Magnetic induction intensity distributions under different N; (b) calibration of magnetic induction intensity and N

Fig. 7. Simulated magnetic induction line distribution around magnetic rotation absorption cell

Fig. 8. Laser output spot

Fig. 9. Physical object of magnetic rotation absorption cell

Fig. 10. Measured magnetic induction intensity values at different positions of magnetic rotation absorption cell

Fig. 11. Relative error between measured and simulated values of magnetic induction intensity at different positions of magnetic rotation absorption cell

Fig. 12. Magnetic field measurement result of magnetic rotation absorption cell

Fig. 13. NO detection system

Fig. 14. Relationship between signal and magnetic induction intensity. (a) FRS-2f spectra; (b) calibration of S_p-p and_B

Fig. 15. Spectral signal calibration. (a) FRS-2f spectra; (b) calibration of S_p-p and C

Fig. 16. Performance evaluation of NO detection system

Fig. 17. Detection accuracies of NO detection system at different magnetic induction intensities