[4] [4] K. Krkenes, K. Blotekjaer. Sagnac interferometer for underwater sound detection: noise properties[J]. Opt. Lett., 1989, 14(20): 1152～1154

[5] [5] B. J. Vakoc, M. J. F. Digonnet, G. S. Kino. A novel fiber-optic sensor array based on the Sagnac interferometer[J]. J. Lightwave Technol., 1999, 17(11): 2316～2326

[6] [6] M. J. F. Digonnet, B. J. Vakoc, C. W. Hodgson et al.. Acoustic fiber sensor arrays[C]. Proc. SPIE, 2004, 5502: 49～50

[7] [7] B. J. Vakoc, M. J. F. Digonnet, G. S. Kino. Demonstration of a 16-sensor time-division-multiplexed Sagnac interferometer-based acoustic sensor array with an amplified telemetry and a polarization-based biasing scheme[C]. Intern. Conf. on Optical Fiber Sensors, OFS′02, Portland, Oregon, 2002. 325～328

[8] [8] K. H. Han, W. J. Lee, B. Y. Kim. Fiber-optic sensor array based on Sagnac interferometer with stable phase bias[J]. IEEE Photon. Technol. Lett., 2001, 13(2): 148～150

[9] [9] B. J. Vakoc, M. J. F. Digonnet, G. S. Kino et al.. Demonstration of a folded configuration of a fiber Sagnac-based sensor array[C]. Proc. SPIE, 1999, 3860: 538～542

[10] [10] G. S. Kino, B. J. Vakoc, M. J. F. Digonnet. A Polarization-based folded Sagnac fiber-optic sensor array for acoustic waves[C]. Proc. SPIE, 2002, 4578: 336～345