Fig. 1. Principle of azimuth transmission system based on magneto-optical modulation

Fig. 2. Schematic of solenoid coil

Fig. 3. Variations of magnetic induction and electric field intensity amplitudes with frequency. (a) Variation of magnetic induction amplitude; (b) variation of electric field intensity amplitude

Fig. 4. Diagram of medium section

Fig. 5. Variation of magnetic induction amplitude with frequency of driving signal

Fig. 6. Effect of driving signal frequency on azimuth transmission accuracy

Fig. 7. Radial distribution of solenoid axial magnetic induction amplitude

Fig. 8. Effect of radial distance variation on azimuth transmission accuracy

Fig. 9. Region division of solenoid electromagnetic field

Fig. 10. Cross section diagram of solenoid

Fig. 11. Frequency characteristic of magnetic induction with relaxation polarization

Fig. 12. Distribution of magnetic induction amplitude in solenoid with or without relaxation medium at specific frequencies

Fig. 13. Variation of magnetic field phase shift in solenoid with frequency of driving signal