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Chinese Optics Letters, Volume. 15, Issue 4, 040601(2017)

Temperature-insensitive optical Fabry–Perot flow measurement system with partial bend angle

Huijia Yang1, Junfeng Jiang1、*, Shuang Wang1, Yuheng Pan1,2, Xuezhi Zhang1, and Tiegen Liu1
Author Affiliations
  • 1School of Precision Instrument and Opto-Electronics Engineering, Key Laboratory of Micro Opto-electro Mechanical System Technology, Institute of Optical Fiber Sensing of Tianjin University, Tianjin Optical Fiber Sensing Engineering Center, Key Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, Tianjin 300072, China
  • 2School of Computer and Information Engineering, Tianjin Chengjian University, Tianjin 300384, China
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    Figures & Tables(6)
    Theoretical analysis diagram of the elbow structure.

    Fig. 1. Theoretical analysis diagram of the elbow structure.

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    Partial bend structure used in the F-PFMS.

    Fig. 2. Partial bend structure used in the F-PFMS.

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    Schematic layout of the optical fiber F-P sensor and space low-coherence demodulation unit.

    Fig. 3. Schematic layout of the optical fiber F-P sensor and space low-coherence demodulation unit.

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    Schematic diagram of the F-PFMS.

    Fig. 4. Schematic diagram of the F-PFMS.

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    Thermal stability of the F-P sensor with (a) relationship between the AbPhase and pressure and (b) the pressure testing error at different temperatures.

    Fig. 5. Thermal stability of the F-P sensor with (a) relationship between the AbPhase and pressure and (b) the pressure testing error at different temperatures.

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    (a) Relationship between Q and the differential phase, (b) flow test errors of the F-PFMS at 10°C–40°C, and (c) the measurement accuracy of the F-PFMS at Q=5.2 m3/h.

    Fig. 6. (a) Relationship between Q and the differential phase, (b) flow test errors of the F-PFMS at 10°C–40°C, and (c) the measurement accuracy of the F-PFMS at Q=5.2  m3/h.

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    Huijia Yang, Junfeng Jiang, Shuang Wang, Yuheng Pan, Xuezhi Zhang, Tiegen Liu. Temperature-insensitive optical Fabry–Perot flow measurement system with partial bend angle[J]. Chinese Optics Letters, 2017, 15(4): 040601

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Nov. 23, 2016

    Accepted: Jan. 6, 2017

    Published Online: Jul. 25, 2018

    The Author Email: Junfeng Jiang (jiangjfjxu@tju.edu.cn)

    DOI:10.3788/COL201715.040601

    Topics

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