[1] Ma L N. Fiber laser hydrophone[D], 41-42(2010).

[2] Ding P, Wu J, Kang D et al. Detection of acoustic wave direction using weak-reflection fiber Bragg gratings[J]. Chinese Journal of Lasers, 47, 0506002(2020).

[3] Liu D M, Sun Q Z. Distributed optical fiber sensing technology and its applications[J]. Laser & Optoelectronics Progress, 46, 29-33(2009).

[4] Cao C Y, Hu Z L, Xiong S D et al. Suppression of Rayleigh scattering induced coherent noise in remotely interrogated fiber-optic hydrophones[J]. Chinese Journal of Lasers, 39, 1005005(2012).

[5] Cao C Y. Study on key techniques of high performance fiber-optics hydrophone array based on ultra-remotely optical transmission and cascaded amplifiers[D], 11-14(2013).

[6] Chow J H, McClelland D E, Gray M B. Rayleigh backscatter mitigation by RF modulation in a 100-km remote fiber sensing system[J]. Proceedings of SPIE, 6538, 65381O(2007).

[7] Marrone M J, Kersey A D, Villarruel C A et al. Elimination of coherent Rayleigh backscatter induced noise in fibre Michelson interferometers[J]. Electronics Letters, 28, 1803-1804(1992).

[8] Ronnekleiv E, Waagaard O H, Thingbo D et al. Suppression of Rayleigh scattering noise in a TDM multiplexed interferometric sensor system[C](2008).

[9] Meng Z, Chen W, Wang J F et al. Research progress of fiber optic hydrophone technology[J]. Laser & Optoelectronics Progress, 58, 1306009(2021).

[10] Ding P, Huang J B, Yao G F et al. Weak reflection fiber Bragg grating hydrophone with secondary coating sensitization[J]. Chinese Journal of Lasers, 48, 0906003(2021).

[11] Shang F, Qi Y, Ma L N et al. Background phase noise of interferometric TDM sensing array based on fiber Bragg grating[J]. Acta Optica Sinica, 41, 1306011(2021).

[12] Ma G Q, Cao D P, Yin J J et al. Numerical simulation of detecting seismic signals in DAS wells[J]. Oil Geophysical Prospecting, 55, 311-320(2020).

[13] Park J, Lee W K, Taylor H F. Fiber optic intrusion sensor with the configuration of an optical time-domain reflectometer using coherent interference of Rayleigh backscattering[J]. Proceedings of SPIE, 3555, 49-56(1998).

[14] Park J, Taylor H F. Fiber optic intrusion sensor using coherent optical time domain reflectometer[J]. Japanese Journal of Applied Physics, 42, 3481-3482(2003).

[15] Lu Y L, Zhu T, Chen L et al. Distributed vibration sensor based on coherent detection of phase-OTDR[J]. Journal of Lightwave Technology, 28, 3243-3249(2010).

[16] Bao X Y, Zhou D P, Baker C et al. Recent development in the distributed fiber optic acoustic and ultrasonic detection[J]. Journal of Lightwave Technology, 35, 3256-3267(2017).

[17] Jiang P, Ma L N, Hu Z L et al. An 8-TDM inline fiber fabry-perot sensor array based on ultra-weak fiber Bragg gratings[C], AM1D.4(2015).

[18] Ronnekleiv E, Waagaard O H, Blotekjaer K et al. Active coherence reduction for interferometer interrogation[P].

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

[20] Zhong X, Zhao S S, Deng H X et al. Review of research on Φ-OTDR system based on pulse modulation[J]. Infrared and Laser Engineering, 49, 20200166(2020).

[21] Hartog A, Gold M. On the theory of backscattering in single-mode optical fibers[J]. Journal of Lightwave Technology, 2, 76-82(1984).