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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
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    AbstractGet PDF(in Chinese)
    Figures&Tables (5)
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    References (8)
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    Figures & Tables(5)
    Relationship between phase delay Δφ and fiber length change ΔL

    Fig. 1. Relationship between phase delay Δφ and fiber length change ΔL

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    φOTDR sensing system based on ROPA technology

    Fig. 2. φOTDR sensing system based on ROPA technology

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    Sensing performance of the system

    Fig. 3. Sensing performance of the system

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    Events of PZT

    Fig. 4. Events of PZT

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    • Table 1. RGU data indicator

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      Table 1. RGU data indicator

      参数结果
      第3级RGU输出信号功率/dBm13.2
      第3级RGU输入信号功率/dBm10.5
      第3级RGU输入泵浦功率/dBm1.8
      第2级RGU输出信号功率/dBm15.8
      第2级RGU输入信号功率/dBm11.2
      第2级RGU输入泵浦功率/dBm1.4
      第1级RGU输出信号功率/dBm15.3
      第1级RGU输入信号功率/dBm8.3
      第1级RGU输入泵浦/dBm7.5
      第1级RGU输出泵浦/dBm6.3
      第1级RGU增益/dB7.0
      第2级RGU增益/dB4.6
      第3级RGU增益/dB2.7
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    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

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    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

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology