Fig. 1. Rayleigh backscatter test system^[1]

Fig. 2. Test results of resonance curve and backscatter curve of silicon dioxide WRR

Fig. 3. RMOG based on optical switch to suppress backscattered noise

Fig. 4. Relationship between light wave energy and time (illustration is partial enlarged view)

Fig. 5. Time division multiplexed RMOG signal processing results. (a) Optical switch switching signal; (b) demodulation output filtered out of harmonic components; (c) ideal output after low-pass filter

Fig. 6. Results of demodulation curves in different situations. (a) 1^st order IIR; (b) 2^nd order IIR

Fig. 7. Test result of lock time

Fig. 8. Locking accuracy test results

Fig. 9. Output characteristic analysis results. (a) Gyroscope output data; (b) Allan variance analysis result

Fig. 10. RMOG based on carrier suppression and time division multiplexing