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Acta Optica Sinica, Volume. 43, Issue 2, 0206002(2023)

Influence of Path-Matched Differential Interference Structure on Noise of Remotely Interrogated Optical Fiber Sensing System

Qiyong Tang1、*, Chunyan Cao2、**, Xingyu Xia1, Guobin Liu1, Fan Zhao1, Jingchao Sheng1, and Jinyi Guo1
Author Affiliations
  • 1Unit 63893 of the Chinese People's Liberation Army, Luoyang 471000, Henan, China
  • 2College of Meteorology and Oceanography, National University of Defense Technology, Changsha 410073, Hunan, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (21)
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    Figures & Tables(8)
    Schematic diagram of noise testing system

    Fig. 1. Schematic diagram of noise testing system

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    Comparison of phase modulation noise for different matching interference structure

    Fig. 2. Comparison of phase modulation noise for different matching interference structure

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    Comparison of phase modulation noise for different optical path difference

    Fig. 3. Comparison of phase modulation noise for different optical path difference

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    Suppression of low-frequency random noise

    Fig. 4. Suppression of low-frequency random noise

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    Experimental results of PZT at position ③ in Fig. 1

    Fig. 5. Experimental results of PZT at position ③ in Fig. 1

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    Experimental results of PZT at position ① in Fig. 1

    Fig. 6. Experimental results of PZT at position ① in Fig. 1

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    Comparison of theoretical and experimental results

    Fig. 7. Comparison of theoretical and experimental results

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    Comparison of phase modulation noise background at different frequencies

    Fig. 8. Comparison of phase modulation noise background at different frequencies

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    Qiyong Tang, Chunyan Cao, Xingyu Xia, Guobin Liu, Fan Zhao, Jingchao Sheng, Jinyi Guo. Influence of Path-Matched Differential Interference Structure on Noise of Remotely Interrogated Optical Fiber Sensing System[J]. Acta Optica Sinica, 2023, 43(2): 0206002

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: May. 6, 2022

    Accepted: Jul. 18, 2022

    Published Online: Feb. 7, 2023

    The Author Email: Qiyong Tang (812953295@qq.com), Chunyan Cao (ccy_nudt@163.com)

    DOI:10.3788/AOS221071

    Topics

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