Study On Optical Communications, Volume. 50, Issue 2, 22007601(2024)

Ultra Long Span φOTDR Sensing System based on ROPA Technology

Shiyu ZHANG1,2,3、*, Jiang WU4, Ming LI1,2, Mingchao NIE1,2, and Jian XU1,2
Author Affiliations
  • 1Accelink Technologies Co., Ltd., Wuhan 430205, China
  • 2National Key Laboratory of Optical Communication Technologies and Networks, Wuhan 430074, China
  • 3Wuhan Research Institute of Posts and Telecommunications Co., Ltd., Wuhan 430074, China
  • 4China Mobile Communication Co., Ltd., Beijing 100033, China
  • show less
    References(8)

    [1] Fang Y L, Liu S, Shen C Y et al. Signal Demodulation Method of Phase-sensitive Optical Time Domain Reflectometer[J]. Chinese Journal of Quantum Electronics, 32, 123-128(2015).

    [2] Fang G, Xu T, Feng S et al. Phase-sensitive Optical Time Domain Reflectometer based on Phase-generated Carrier Algorithm[J]. Journal of Lightwave Technology, 33, 2811-2816(2015).

    [3] Zhang J, Wu H, Zheng H et al. 80 km Fading Free Phase-sensitive Reflectometry based on Multi-carrier NLFM Pulse without Distributed Amplification[J]. Journal of Lightwave Technology, 37, 4748-4754(2019).

    [4] Wang Q, Ren X L, Yi S H et al. Long-distance and High-precision LFM Optical Time Domain Reflectometer[J]. Study on Optical Communications, 7-10(2020).

    [5] Martins H F, Martin-Lopez S, Corredera P et al. Distributed Vibration Sensing over 125 km with Enhanced SNR Using Phi-OTDR over a URFL Cavity[J]. Journal of Lightwave Technology, 33, 2628-2632(2015).

    [6] Li Y, Zhou Y, Zhang L et al. Phase-sensitive Optical Time-domain Reflectometry Amplified by Gated Raman Pump[J]. Photonic Sensors, 5, 345-350(2015).

    [7] Niu J H. Research on Signal Processing Technology of φ-OTDR Sensing System[D](2018).

    [8] Tian B. Research on Key Technologies of the Ultra-long Fiber Optic Distributed Acoustic Sening[D](2021).

    Tools

    Get Citation

    Copy Citation Text

    Shiyu ZHANG, Jiang WU, Ming LI, Mingchao NIE, Jian XU. Ultra Long Span φOTDR Sensing System based on ROPA Technology[J]. Study On Optical Communications, 2024, 50(2): 22007601

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Research Articles

    Received: May. 22, 2023

    Accepted: --

    Published Online: Apr. 9, 2024

    The Author Email: ZHANG Shiyu (498062794@qq.com)

    DOI:10.13756/j.gtxyj.2024.220076

    Topics