[1] [1] Kurashima T, Horiguchi T, Tateda M. Thermal effects on the Brillouin frequency shift in jacketed optical silica fibers[J]. Applied Optics, 1990, 29(15): 2219-2222.

[2] [2] Peng Jiaobo, Bian Zhenglan, Hao Yunqi, et al. Frequency locking of two DFB lasers for distributed optical fiber sensing applications[J]. Chinese J Lasers, 2012, 39(7): 0705001.

[3] [3] Zhao Xiaodong, Lu Yuangang, Hu Junhui, et al. A wavelength-scanning Brillouin optical time domain reflectometer[J]. Chinese J Lasers, 2012, 39(8): 0805003.

[4] [4] Chen Fuchang, Hu Jiacheng, Zhang Chengtao, et al. Distributed Brillouin optical fiber temperature sensor based on high frequency microwave technology[J]. Chinese J Lasers, 2012, 39(6): 0605009.

[5] [5] Song Muping, Li Zhicheng, Qiu Chao. A 50 km distributed optical fiber sensor based on Brillouin optical time-domain analyzer[J]. Chinese J Lasers, 2010, 37(6): 1426-1429.

[6] [6] Hong Xiaobin, Guo Hongxiang, Wu Jian. A Brillouin optical time domain analysis based distributed fiber optic intrusion sensor system[J]. Chinese J Lasers, 2010, 37(4): 1037-1041.

[7] [7] Kurashima T, Horiguchi T. Brillouin optical-fiber time domain reflectometry[J]. IEICE Transactions on Communications, 1993, E76-B(4): 382-389.

[8] [8] Horiguchi T, Tateda M. Optical-fiber attenuation investigation using stimulated Brillouin scattering between a pulse and a continuous wave[J]. Optics Letters, 1989, 14(8): 408-410.

[9] [9] Fang Z J, Chin K, Qu R H, et al. Fundamentals of optical fiber sensors[M]. New Jersey: Wiley, 2012: 320-321.

[10] [10] Kishida K, Li C H, Nishiguchi K. Pulse pre-pump method for cm-order spatial resolution of BOTDA[C]. SPIE, 2005, 5855: 559-562.

[11] [11] Liang H, Li W, Linze N, et al. High-resolution DPP-BOTDA over 50 km LEAF using return-to-zero coded pulses[J]. Optics Letters, 2010, 35(10): 1503-1505.

[12] [12] Nishiguchi K, Li C H, Guzik A, et al. Synthetic spectrum approach for Brillouin optical time-domain reflectometry[J]. Sensors, 2014, 14(3): 4731-4754.

[13] [13] Koyamada Y, Sakairi Y, Takeuchi N, et al. Novel technique to improve spatial resolution in Brillouin optical time-domain reflectometry[J]. IEEE Photonics Technology Letters, 2008, 19(23): 1910-1912.

[14] [14] Agrawa G P. Nonlinear fiber optics[M]. New York: Academic Press, 2013: 375-376.