Acta Photonica Sinica, Volume. 53, Issue 4, 0406002(2024)

Shape Sensing Based on Brillouin Optical Time Domain Analysis

Zijuan LIU1...2,3, Jiaqi WU1,2,3, Lixin ZHANG1,2,3,*, Yongqian LI1,2,3, Jianjian WANG1,2,3, and Kuan WANG1,23 |Show fewer author(s)
Author Affiliations
  • 1College of Electronics and Communication Engineering, North China Electric Power University (Baoding), Baoding 071003, China
  • 2Hebei Key Laboratory of Electric Power IoT Technology, College of Electronic and Communication Engineering, North China Electric Power University (Baoding), Baoding 071003, China
  • 3Baoding Key Laboratory of Optical Fiber Sensing and Optical Communication Technology, College of Electronic and Communication Engineering, North China Electric Power University (Baoding), Baoding 071003, China
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    Figures & Tables(11)
    Schematic diagram of shaped BOTDA system based on stimulated Brillouin scattering
    Simplified theoretical model of distributed shape sensor
    BOTDA shape measurement system diagram
    Internal structure diagram of seven-core optical fiber
    Brillouin gain spectrum of multi-core fiber during bending
    Brillouin gain spectrum in 290~300 m bending section of multi-core fiber
    Brillouin frequency shift in sensing fiber segment
    Change in Brillouin frequency shift for each off-core
    Strain curves for core 3, 5, 7
    Curvatureκof the bending section of multi-core fiber
    The bending section reconstructs the shape of a circle
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    Zijuan LIU, Jiaqi WU, Lixin ZHANG, Yongqian LI, Jianjian WANG, Kuan WANG. Shape Sensing Based on Brillouin Optical Time Domain Analysis[J]. Acta Photonica Sinica, 2024, 53(4): 0406002

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Oct. 7, 2023

    Accepted: Nov. 24, 2023

    Published Online: May. 15, 2024

    The Author Email: ZHANG Lixin (zhanglxmail@126.com)

    DOI:10.3788/gzxb20245304.0406002

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