[1] [1] Post E J. Sagnac effect[J]. Rev Mod Phys, 1967, 39(2): 475-493.

[2] [2] Chow W W, Gea-Banacloche, Pedrotti L M, et al.. The ring laser gyro[J]. Rev Mod Phys, 1985, 57(1): 61-104.

[3] [3] Barbour N, Schmidt G. Inertial sensor technology trends[J]. IEEE Sensors Journal, 2001, 1(4): 332-339 .

[4] [4] Jiang Yanan. Ring Laser Gyro[M]. Beijing: Press of Tsinghua University, 1985. 72-106.

[5] [5] Han Zonghu, Chen Linfeng, Chen Yong, et al.. The study of laser gyro lock-in characteristic[J]. Acta Photonica Sinica, 2006, 35(6): 807-810.

[6] [6] Liu Yuanzheng, Wang Jingxian, Ma Yanghua, et al.. Lock-in zone controll ing for ring laser gyro[J]. Acta Photonica Sinica, 2010, 39(5): 781-784.

[7] [7] Gao Yukai, Deng Zhenglong. A new method for eliminating the lock-in error of mechanically dithered ring laser gyro[J]. Chinese J Lasers, 2007, 34(3): 354-358.

[8] [8] Liu Jianning, Jiang Junbiao, Shi Shunxiang, et al.. Analysis of total reflection prism ring laser′s output characteristic and gyroscope′s accuracy[J]. Chinese J Lasers, 2013, 40(1): 0102002

[9] [9] Xu Guangming, Wang Fei, Song Jianwen. Research of magnetic effect in little non-planar resonators[J]. Acta Optica Sinica, 2013, 33(5): 0514003.

[10] [10] Kogelnik H, Li T. Laser beams and resonator[J]. Proc IEEE, 1966, 54(10): 1312-1329.

[11] [11] Han Zonghu, Feng Peide. Influence analyses of resonator parameters on laser gyro performance[J]. Journal of Chinese Inertial Technology, 2002, 10(2): 32-38.

[12] [12] Ma Yanghua，Lei Jianjun, Xu Hongcai, et al.. Influence of gain-to-loss ratio on the performance of ring laser gyro[J]. Acta Photonica Sinica, 2011, 40(11): 1682-1685.

[13] [13] Yuan Jie, Long Xingwu. Optical-axis perturbation in nonplanar ring resonators[J]. Opt Commun, 2008, 281(5): 1204-1210.

[14] [14] Yuan Jie, Long Xingwu, Zhang Bin, et al.. Optical axis perturbation in folded planar ring resonators[J]. Appl Opt, 2007, 46(25): 6314-6322.

[15] [15] Yuan Jie, Long Xingwu, Liang Linmei. Optical-axis perturbation in triaxial ring resonator[J]. Appl Opt, 2008, 47(5): 628-631.

[16] [16] Wen Dandan, Li Dong, Zhao Jianlin. Generalized sensitivity factors for optical-axis perturbation in nonplanar ring resonators[J]. Opt Express, 2011, 19(20): 19752-19757.