[1] Taylor H F, Lee C E. Apparatus and method for fiber optic intrusion sensing: US5194847［P］. 1993-03-16.

[2] Juarez J C, Maier E W, Choi K N, et al. Distributed fiber-optic intrusion sensor system［J］. Journal of Lightwave Technology, 2005, 23(6): 2081-2087.

[3] Lu Y L, Zhu T, Chen L, et al. Distributed vibration sensor based on coherent detection of phase-OTDR［J］. Journal of Lightwave Technology, 2010, 28(22): 3243-3249.

[4] King J P, Smith D F, Richards K, et al. Development of a coherent OTDR instrument［J］. Journal of Lightwave Technology, 1987, 5(4): 616-624.

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

[6] 谢孔利, 饶云江, 冉曾令. 基于大功率超窄线宽单模光纤激光器的-光时域反射计光纤分布式传感系统［J］. 光学学报, 2008, 28(3): 569-572.

    Xie Kongli, Rao Yunjiang, Ran Zengling. Distributed optical fiber sensing system based of Rayleigh scattering light -OTDR using single-mode fiber laser with high power and narrow linewidth［J］. Acta Optica Sinica, 2008, 28(3): 569-572.

[7] Pan Z Q, Liang K Z, Ye Q, et al. Phase-sensitive OTDR system based on digital coherent detection［C］. SPIE, 2011, 8311: 83110S.

[8] 梁可桢, 潘政清, 周 俊, 等. 一种基于相位敏感光时域反射计的多参量振动传感器［J］. 中国激光, 2012, 39(8): 0805004.

    Liang Kezhen, Pan Zhengqing, Zhou Jun, et al. Multi-parameter vibration detection system based on phase sensitive optical time domain reflectometer［J］. Chinese J Lasers, 2012, 39(8): 0805004.

[9] Zhou J, Pan Z Q, Ye Q, et al. Characteristics and explanations of interference fading of a Φ-OTDR with a multi-frequency source［J］. Journal of Lightwave Technology, 2013, 31(17): 2947-2954.

[10] 周 俊, 潘政清, 叶 青, 等. 基于多频率综合鉴别Φ-OTDR系统中干涉衰落假信号的相位解调技术［J］. 中国激光, 2013, 40(9): 0905003.

    Zhou Jun, Pan Zhengqing, Ye Qing, et al. Phase demodulation technology using a multi-frequency source for discrimination of interference fading induced false alarms in a Φ-OTDR system［J］. Chinese J Lasers, 2013, 40(9): 0905003.

[11] Pan Z Q, Liang K Z, Zhou J, et al. Interference-fading-free phase-demodulated OTDR system［C］. SPIE, 2012, 8421: 842129.

[12] Pan Z Q, Wang Z Y, Ye Q, et al. High sampling rate multi-pulse phase-sensitive OTDR employing frequency division multiplexing［C］. SPIE, 2014, 9157: 91576X.

[13] Wang Z Y, Pan Z Q, Fang Z J, et al. Ultra-broadband phase-sensitive optical time-domain reflectometry with a temporally sequenced multi-frequency source［J］. Optics Letters, 2015, 40(22): 5192-5195.

[14] Iida D, Toge K, Manabe T. High-frequency distributed acoustic sensing faster than repetition limit with frequency-multiplexed phase-OTDR［C］. Optical Fiber Communication Conference and Exhibition, 2016: 16227057.

[15] Martins H F, Martin-Lopez S, Corredera P. Phase-sensitive optical time domain reectometer assisted by first-order Raman amplification for distributed vibration sensing over ＞100 km［J］. Journal of Lightwave Technology, 2013, 32(8): 1510-1518.

[16] Lu B, Pan Z Q, Wang Z Y, et al. High spatial resolution phase-sensitive optical time domain reflectometer with frequency-swept pulse［J］. Optics Letters, 2016, 42(3): 391-394.

[17] Zou W W, Yang S, Long X, et al. Optical pulse compression reflectometry: Proposal and proof-of-concept experiment［J］. Optics Express, 2015, 23(1): 512-522.

[18] 杨 敬, 瞿荣辉, 孙国勇, 等. 一种新型结构的单纵模光纤激光器［J］. 中国激光, 2005, 32(4): 441-444.

    Yang Jing, Qu Ronghui, Sun Guoyong, et al. A novel single longitudinal mode fiber laser［J］. Chinese J Lasers, 2005, 32(4): 441-444.

[19] Yang F, Ye Q, Pan Z Q, et al. 100-mW linear polarization single-frequency all-fiber seed laser for coherent Doppler lidar application［J］. Optics Communications, 2012, 285(2): 149-152.

[20] Pan Z Q, Cai H W, Meng L, et al. Single-frequency phosphate glass fiber laser with 100-mW output power at 1535 nm and its polarization characteristics［J］. Chinese Optics Letters, 2010, 8(1): 52-54.

[21] Pan Z P, Ye Q, Cai H W, et al. Fiber ring with long delay used as a cavity mirror for narrowing fiber laser［J］. IEEE Photonics Technology Letters, 2014, 26(16): 1621-1624.

[22] Ye Q, Pan Z Q, Wang Z Y, et al. Novel slow-light reflector composed of a fiber ring resonator and low-reflectivity fiber Bragg grating［J］. Journal of Lightwave Technology, 2015, 33(14): 3016-3022.

[23] Wei F, Lu B, Wang J, et al. Precision and broadband frequency swept laser source based on high-order modulation-sideband injection-locking［J］. Optics Express, 2015, 23(4): 4970-4980.

[24] Wang J, Chen D J, Cai H W, el al. Fast optical frequency sweeping using voltage controlled oscillator driven single sideband modulation combined with injection locking［J］. Optics Express, 2015, 23(6): 7038-7043.

[25] 王照勇, 潘政清, 叶 青, 等. 用于光纤围栏入侵告警的频谱分析快速模式识别［J］. 中国激光, 2015, 42(4): 0405010.

    Wang Zhaoyong, Pan Zhengqing, Ye Qing, et al. Fast pattern recognition based on frequency spectrum analysis used for intrusion alarming in optical fiber fence［J］. Chinese J Lasers, 2015, 42(4): 0405010.

[26] Wang Z Y, Pan Z Q, Ye Q, et al. Novel distributed passive vehicle tracking technology using phase sensitive optical time domain reflectometer［J］. Chinese Optics Letters, 2015, 13(10): 100603.

[27] 瞿荣辉, 王照勇, 曹玉龙, 等. 铁路安全监测系统和监测方法: CN201610576448.7［P］. 2016-07-21.

    Qu Ronghui, Wang Zhaoyong, Cao Yulong, et al. Railway safety monitoring system and monitoring method: CN201610576448.7［P］. 2016-07-21.

[28] Qin Z G, Zhu T, Chen L, et al. High sensitivity distributed vibration sensor based on polarization-maintaining configurations of phase-OTDR［J］. IEEE Photonics Technology Letters, 2011, 23(15): 1091-1093.

[29] Hui X N, Ye T H, Zheng S L, et al. Space-frequency analysis with parallel computing in a phase-sensitive optical time-domain reflectometer distributed sensor［J］. Applied Optics, 2014, 53(28): 6586-6590.

[30] Qin Z G, Chen L, Bao X Y. Wavelet denoising method for improving detection performance of distributed vibration sensor［J］. IEEE Photonics Technology Letters, 2012, 24(7): 542-544.

[31] Wang Z N, Zhang L, Wang S, et al. Coherent Φ-OTDR based on I/Q demodulation and homodyne detection［J］. Optics Express, 2016, 24(2): 853-858.

[32] Dong Y K, Chen X, Liu E H, et al. Quantitative measurement of dynamic nanostrain based on a phase-sensitive optical time domain reflectometer［J］. Applied Optics, 2016, 55(28): 7810-7815.

[33] Tu G J, Zhang X P, Zhang Y X, et al. The development of an Φ-OTDR system for quantitative vibration measurement［J］. IEEE Photonics Technology Letters, 2015, 27(12): 1349-1352.

[34] Pang F F, He M T, Liu H H, et al. A fading-discrimination method for distributed vibration sensor using coherent detection of -OTDR［J］. IEEE Photonics Technology Letters, 2016, 28(23): 2752-2755.

[35] Munster P, Vojtech J, Sysel P, et al. Φ-OTDR signal amplification［C］. SPIE, 2015, 9506: 950606.

[36] Peng F, Peng Z P, Jia X H, et al. 128 km fully-distributed high-sensitivity fiber-optic intrusion sensor with 15 m spatial resolution［C］. Optical Fiber Communications Conference and Exhibition, 2014: 14546688.

[37] Martins H F, Martin-Lopez S, Corredera P, et al. Phase-sensitive optical time domain reectometer assisted by first-order Raman amplification for distributed vibration sensing over ＞100 km［J］. Journal of Lightwave Technology, 2014, 32(8): 1510-1518.

[38] Mermelstein D, Shacham E, Biton M, et al. Brillouin amplification and processing of the Rayleigh scattered signal［J］. Optics Letters, 2015, 40(14): 3340-3343.

[39] Wang Z N, Zeng J J, Li J, et al. 175 km phase-sensitive OTDR with hybrid distributed amplification［C］. SPIE, 2014, 9157: 9157D5.

[40] Masoudi A, Belal M, Newson T P. A distributed optical fibre dynamic strain sensor based on phase-OTDR［J］. Measurement Science and Technology, 2013, 24(8): 085204.

[41] Wang C, Wang C, Shang Y, et al. Distributed acoustic mapping based on interferometry of phase optical time-domain reflectometry［J］. Optics Communications, 2015, 346: 172-177.

[42] Cao Y L, Yang F, Xu D, et al. Phase-sensitive optical time-domain reflectometer based on a 120°-phase-difference Michelson interferometer［J］. Chinese Physics Letters, 2016, 33(5): 050701.

[43] Duan N, Peng F, Rao Y J, et al. Field test for real-time position and speed monitoring of trains using phase-sensitive optical time domain reflectometry (Φ-OTDR)［J］. SPIE, 2014, 9157: 9157A.