Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Chinese Journal of Lasers, Volume. 50, Issue 13, 1306005(2023)

Brillouin Optical Correlation‑Domain Reflectometry Based on Large Modulation Center Frequency

Yuekai Jiang1, Yuangang Lu1、*, Yuguo Yao2, Wujun Zhang1, Chongjun He1, and Lulu Liang1
Author Affiliations
  • 1The Key Laboratory of Space Photoelectric Detection and Perception of Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, Jiangsu, China
  • 2College of Electrical and Automation Engineering, Changshu Institute of Technology, Changshu215506, Jiangsu, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
    Equations (0)
    References (24)
    Cited By (1)
    Tools
    Paper Information
    Topics
    Figures & Tables(8)
    Schematic of BOCDR system based on external modulation

    Fig. 1. Schematic of BOCDR system based on external modulation

    Download full size
    Schematics of cause analysis of aliasing between beat spectrum noise and Brillouin signal

    Fig. 2. Schematics of cause analysis of aliasing between beat spectrum noise and Brillouin signal

    Download full size
    Schematic of external modulation BOCDR system based on large modulated center frequency

    Fig. 3. Schematic of external modulation BOCDR system based on large modulated center frequency

    Download full size
    Schematic of the fiber under test

    Fig. 4. Schematic of the fiber under test

    Download full size
    Brillouin frequency shift (BFS)-temperature coefficient calibration of the fiber under test

    Fig. 5. Brillouin frequency shift (BFS)-temperature coefficient calibration of the fiber under test

    Download full size
    Three-dimensional figure of Brillouin gain spectrum of optical fiber with 46.8 ℃ heating section

    Fig. 6. Three-dimensional figure of Brillouin gain spectrum of optical fiber with 46.8 ℃ heating section

    Download full size
    Distribution of Brillouin frequency shift when the fiber is heated to 46.8 ℃

    Fig. 7. Distribution of Brillouin frequency shift when the fiber is heated to 46.8 ℃

    Download full size

    • Table 1. Sensing performances of typical BOCDR systems

      View table

      Table 1. Sensing performances of typical BOCDR systems

      SystemSpatial resolution /cm

      Measurement

      uncertainty

      Double-modulation［13］2715 MHz
      Temporal gating［23］665 MHz
      Chirp modulation［24］80
      Lock-in detection［21］20
      This paper11.6

      0.30 MHz

      （0.26 ℃）

    Tools

    Get Citation

    Copy Citation Text

    Yuekai Jiang, Yuangang Lu, Yuguo Yao, Wujun Zhang, Chongjun He, Lulu Liang. Brillouin Optical Correlation‑Domain Reflectometry Based on Large Modulation Center Frequency[J]. Chinese Journal of Lasers, 2023, 50(13): 1306005

    Download Citation

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

    Category: Fiber optics and optical communication

    Received: Feb. 15, 2023

    Accepted: Mar. 22, 2023

    Published Online: Jul. 5, 2023

    The Author Email: Lu Yuangang (luyg@nuaa.edu.cn)

    DOI:10.3788/CJL230529

    Topics

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