[1] [1] Post E J. Sagnac effect[J]. Review of Modern Physics， 1967， 39(2)： 475-493.

[2] [2] Arditty H J， H C Leèfovre. Sagnac effect in fiber gyroscopes[J]. Optics Letters， 1981， 6(8)： 401-403.

[3] [3] Ezekiel S， Balsamo S R. Passive ring resonator laser gyroscope[J]. Applied Physics Letters， 1977， 30(9)：478-480.

[4] [4] Sanders G A， Rouse G F， Strandjord L K， et al. Resonator fiber-optic gyro using LiNbO3 integrated optics at 1.5-m wavelength[C]// Fiber Optic and Laser Sensors VI. International Society for Optics and Photonics， 1989.

[9] [9] Ma Huilian， Zhang Jianjie， Wang Linglan， et al. Development and evaluation of optical passive resonant gyroscopes[J]. Journal of Lightwave Technology， 2017， 35(16)： 3546-3554.

[10] [10] Nakazawa M. Rayleigh backscattering theory for single mode optical fibers[J]. Journal of the Optical Society of America， 1983， 73(9)： 1175-1180.