Influences of modulation frequency on dynamic performance of vibration sensor based on Φ-OTDR

Ding Xiuxin; Zhang Xi; Wang Hongbo; Li Lijing; Li Qin; Zhong Xiang

[1] Qin Zengguang, Zhu Tao, Chen Liang, 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.

[2] Taylor H F, Lee C E. Apparatus and method for fiber optic intrusion sensing: U.S, 5194847 [P]. 1993-03-16.

[3] Juarez Juan C. Distributed fiber optic intrusion sensor system for monitoring long perimeters[D]. M.S: Texas A&M University, 2005.

[4] Xie Kongli, Rao Yunjian, Ran Zenglin. Distributed optical fiber sensing system based of rayleigh scattering light Φ-OTDR using single mode fiber laser with high power and narrow linewidth[J]. Acta Optical Sinica, 2008, 28(3): 569-572. (in Chinese)

[5] Lu Yuelan, Zhu Tao, and Bao Xiaoyi. Distributed vibration sensor based on coherent detection of phase-OTDR[J]. Journal of Lightwave Technology, 2010, 28(22): 3243-3249.

[6] Juskaitis R, Mamedov A M, Potapov V T, et al. A distributed interferometric fibre sensor system[J]. Optics Letters, 1992, 17: 1623-1625.

[7] Juskaitis R, Mamedov A M, Potapov V T, et al. Interferometry with Rayleigh Backscattering in a single mode fibre[J]. Optics Letters, 1994, 19: 225-227.

[8] Rathod R, Peschtedt R D, Jackson D A, et al. Distributed temperature-change sensor based on rayleigh backscattering in an optical fibre[J]. Optics Letters, 1994, 19: 593-595.

[9] Brinkmeyer E. Backscattering in single-mode fibers[J]. Electronic Letters, 1980, 16(9): 329-330.

[10] Lu Yuelan, Xing Yongwei. Investigation on Rayleigh scattering waveform in phase optical time domain reflectometer[J]. Acta Optica Sinica, 2011: 0819001. (in Chinese)