Chinese Journal of Lasers, Volume. 46, Issue 8, 0806003(2019)

Internally Modulated Chirped Pulse Based Direct Detection Type φ-OTDR System with High Signal-to-Noise Ratio and Low Cost

Luchuan Li1,2, Bin Lu2、*, Xiao Wang2,3, Jiajing Liang2,3, Hanrong Zheng2,3, Zhaoyong Wang2, Qing Ye2,3, Zujie Fang2, Fufei Pang1, and Haiwen Cai2,3、**
Author Affiliations
  • 1 Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University,Shanghai 200444, China
  • 2 Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics andFine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 3 Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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    References(17)

    [3] Tarlor H F, Lee C E. Apparatus. -03-16[2019-03-01]. https:∥patents.glgoo.top/patent/US5194847A/en.(1993).

    [4] Pan Z Q, Liang K Z, Ye Q et al. Phase-sensitive OTDR system based on digital coherent detection. [C]∥Optical Sensors and Biophotonics, November 13-16, 2011, Shanghai. Washington, D. C.: OSA, 83110S(2011).

    [7] 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, 27, 1349-1352(2015).

    [8] Wang K. Research on the practical technique of multifunctional optical fiber security monitoring system based on the phase-sensitve OTDR[D]. Shanghai: Donghua University, 32-48(2015).

    [11] Wu M S, Fan X Y, Liu Q W et al. Highly sensitive quasi-distributed fiber-optic acoustic sensing system by interrogating a weak reflector array[J]. Optics Letters, 43, 3594-3597(2018).

    [12] Liu J W. Research on the dynamic tuning characteristics of DFB lasers and its measurement methods[D]. Tianjin: Tianjin University, 38-44(2012).

    [13] Duan H. The response characteristics of semiconductor lasers based on rate equations[D]. Qinhuangdao: Yanshan University, 21-51(2010).

    [16] Fernández-Ruiz M R, Martins H F, Costa L et al. . Statistical analysis of SNR in chirped-pulse Φ-OTDR. [C]∥26th International Conference on Optical Fiber Sensors, September 24-28, 2018, Lausanne, Switzerland. Washington, D. C.: OSA, WF16(2018).

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    Luchuan Li, Bin Lu, Xiao Wang, Jiajing Liang, Hanrong Zheng, Zhaoyong Wang, Qing Ye, Zujie Fang, Fufei Pang, Haiwen Cai. Internally Modulated Chirped Pulse Based Direct Detection Type φ-OTDR System with High Signal-to-Noise Ratio and Low Cost[J]. Chinese Journal of Lasers, 2019, 46(8): 0806003

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    Paper Information

    Category: fiber optics and optical communications

    Received: Mar. 14, 2019

    Accepted: Apr. 12, 2019

    Published Online: Aug. 13, 2019

    The Author Email: Bin Lu (lubin@siom.ac.cn), Haiwen Cai (lubin@siom.ac.cn)

    DOI:10.3788/CJL201946.0806003

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