[1] [1] M. D. Thomas, M. F. Barry, A. Jonathan, and S. Dou, “Field testing of fiber-optic distributed acoustic sensing (DAS) for subsurface seismic monitoring,” Leading Edge, 2013, 32(6): 699–706.

[2] [2] A. Mateeva, J. Lopez, H. Potters, J. Mestayer, B. Cox, D. Kiyashchenko, et al., “Distributed acoustic sensing for reservoir monitoring with vertical seismic profiling,” Geophysical Prospecting, 2014, 62(4): 679–692.

[3] [3] M. Mondanos, T. Parkera, C. H. Milnea, J. Yeoa, T. Colemana, and M. Farhadiroushana, “Distributed temperature and distributed acoustic sensing for remote and harsh environments,” SPIE, 2015, 9491(0F): 1–8.

[4] [4] M. M. Molenaar, D. Hill, P. Webster, E. Fidan, and B. Birch. “First downhole application of distributed acoustic sensing for hydraulic-fracturing monitoring and diagnostics,” SPE Drilling and Completion, 2011, 7(2): 193–202.

[5] [5] A. Owen, G. Duckworth, and J. Worsley, “OptaSense: fiber optic distributed acoustic sensing for border monitoring,” Fiber Optic Sensors & Systems, 2012, 26(8): 362–364.

[6] [6] J. C. Juarez, E. W. Maier, K. N. Choi, and H. F. Taylor, “Distributed fiber-optic intrusion sensor system,” Journal of Lightwave Technology, 2005, 23(6): 2081–2087.

[7] [7] J. C. Juarez and H. F. Taylor, “Field test of a distributed fiber-optic intrusion sensor system for long perimeters,” Applied Optics, 2007, 46(11): 1968–1971.

[8] [8] M. Zhang, S. Wang, Y. Zheng, Y. Yang, X. Sa, and L. Zhang, “Enhancement for Φ-OTDR performance by using narrow linewidth light source and signal processing,” Photonic Sensors, 2016, 6(1): 58–62.

[9] [9] F. Peng and X. Cao, “A hybrid Φ/B-OTDR for simultaneous vibration and strain measurement,” Photonic Sensors, 2016, 6(2): 121–126.

[10] [10] Y. Dong, L. Chen, and X. Bao, “Time-division multiplexing based BOTDA over 100 km sensing length,” Optics Letters, 2011, 36(2): 277–279.

[11] [11] A. Minardo, A. Coscetta, R. Bernini, and L. Zeni, “Heterodyne slope-assisted brillouin optical time-domain analysis for dynamic strain measurements,” Journal of Optics, 2016, 18(2): 1–7.

[12] [12] X. Bao and L. Chen, “Recent progress in optical fiber sensors based on Brillouin scattering at University of Ottawa,” Photonic Sensors, 2011, 1(2): 102–117.

[13] [13] Z. Sun, J. Wang, J. Chang, J. Ni, L. Min, C. Wang, et al., “Fiber laser sensor interrogation system development and test,” SPIE, 2012, 8351(1): 73–77.