Fig. 1. Structural diagram of IFM system based on polarization delay interference

Fig. 2. Relationship between magnitude of Bessel function and m

Fig. 3. ACF curves under different time delays

Fig. 4. Relationship between maximum frequency and time delay

Fig. 5. Simulated ACF curve and estimated error curve. (a) simulated optical power curve and ACF curve; (b) comparison between theoretical instantaneous frequency and simulated instantaneous frequency; (c) error between theoretical instantaneous frequency and simulated instantaneous frequency

Fig. 6. Influence of wavelength drift on system. (a) ACF curves under different wavelength drifts; (b) error between theoretical instantaneous frequency and simulated instantaneous frequency

Fig. 7. Influence of radio frequency voltage on system. (a) ACF curves under different radio frequency voltages; (b) error between theoretical instantaneous frequency and simulated instantaneous frequency

Fig. 8. Influence of bias voltage drift on system. (a) ACF curves under different bias voltage drifts; (b) error between theoretical instantaneous frequency and simulated instantaneous frequency

Fig. 9. Influence of extinction ratio on system. (a) ACF curves under different extinction ratios; (b) error between theoretical instantaneous frequency and simulated instantaneous frequency

Fig. 10. Influence of polarization angle drift on system. (a) ACF curves under different polarization angle drifts; (b) error between theoretical instantaneous frequency and simulated instantaneous frequency