Acta Optica Sinica, Volume. 44, Issue 21, 2106002(2024)

Phase Demodulation Algorithm Based on Multi‐Harmonic Mixing and Nonlinear Curve Fitting

Yi Huang1、*, Zongling Zhao1, Bingtao Cai2, Chengyong Hu1, Chuanlu Deng1, Qi Zhang1, Wei Chen1, Xiaobei Zhang1, and Tingyun Wang1
Author Affiliations
  • 1Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, China
  • 2The 23rd Research Institute of China Electronics Technology Group Corporation, Shanghai 201900, China
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    References(27)

    [5] Zhang L S, Li R S, Lan Y C et al. Detection of solid surface microvibration excited via acoustic radiation using sinusoidal phase modulation interferometer[J]. Chinese Journal of Lasers, 49, 0304001(2022).

    [12] Song X C, Tang D L, Ding C. Phase demodulation algorithm based on quadrature signal synthesis calculation[J]. Acta Optica Sinica, 43, 2206005(2023).

    [15] Sun K, He M Y, Han Y. Phase generated carrier demodulation method eliminating modulation depth influence[J]. Acta Photonica Sinica, 51, 0606003(2022).

    [27] Xiao W Z, Cheng J, Zhang D W et al. High stability PGC demodulation technique for fiber-optic interferometric sensor[J]. Opto-Electronic Engineering, 49, 210368(2022).

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    Yi Huang, Zongling Zhao, Bingtao Cai, Chengyong Hu, Chuanlu Deng, Qi Zhang, Wei Chen, Xiaobei Zhang, Tingyun Wang. Phase Demodulation Algorithm Based on Multi‐Harmonic Mixing and Nonlinear Curve Fitting[J]. Acta Optica Sinica, 2024, 44(21): 2106002

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: May. 6, 2024

    Accepted: Jun. 20, 2024

    Published Online: Nov. 19, 2024

    The Author Email: Huang Yi (huangyi1008@shu.edu.cn)

    DOI:10.3788/AOS240964

    CSTR:32393.14.AOS240964

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