Acta Optica Sinica, Volume. 44, Issue 1, 0106018(2024)

Phase Demodulation Optimization Method for Multi-Frequency COTDR System

Lang Xie, Mingsong Wu, Yuehui Wang, Ziyi Yang, Yunjiang Rao, and Yu Wu*
Author Affiliations
  • Key Laboratory of Optical Fiber Sensing and Communications (Education Ministry of China), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, Sichuan , China
  • show less
    References(21)

    [1] Rao Y J, Wang Z N, Wu H J et al. Recent advances in phase-sensitive optical time domain reflectometry (Ф‑OTDR)[J]. Photonic Sensors, 11, 1-30(2021).

    [2] Shi Y, Wang Y Y, Zhao L et al. An event recognition method for Φ‑OTDR sensing system based on deep learning[J]. Sensors, 19, 3421(2019).

    [3] Lindsey N J, Martin E R, Dreger D S et al. Fiber-optic network observations of earthquake wavefields[J]. Geophysical Research Letters, 44, 11792-11799(2017).

    [4] Wang Z Y, Pan Z Q, Ye Q et al. Vehicle tracking by Φ‑OTDR used in safety monitored areas[C](2015).

    [5] Wu H J, Liu X R, Xiao Y et al. A dynamic time sequence recognition and knowledge mining method based on the hidden Markov models (HMMs) for pipeline safety monitoring with Φ‑OTDR[J]. Journal of Lightwave Technology, 37, 4991-5000(2019).

    [6] Zhang X P, Ding Z W, Hong R et al. Phase sensitive optical time-domain reflective distributed optical fiber sensing technology[J]. Acta Optica Sinica, 41, 0106004(2021).

    [7] Yu M, Zhang Y L, He Y T et al. Variational mode decomposition and permutation entropy method for denoising of distributed optical fiber vibration sensing system[J]. Acta Optica Sinica, 42, 0706005(2022).

    [8] Zhao Y D, Wang M G, Zhang J et al. Distributed optical fiber vibration sensing system with high spatial resolution and large bandwidth[J]. Acta Optica Sinica, 42, 1906004(2022).

    [9] Yuan L B, Tong W J, Jiang S et al. Road map of fiber optic sensor technology in China[J]. Acta Optica Sinica, 42, 0100001(2022).

    [10] Gorajoobi S B, Masoudi A, Brambilla G. Polarization fading mitigation in distributed acoustic sensors based on a high-speed polarization rotator[J]. Optics Letters, 47, 1283-1286(2022).

    [11] Mompó J J, Shiloh L, Arbel N et al. Distributed dynamic strain sensing via perfect periodic coherent codes and a polarization diversity receiver[J]. Journal of Lightwave Technology, 37, 4597-4602(2019).

    [12] Hartog A H, Liokumovich L B, Ushakov N A et al. The use of multi-frequency acquisition to significantly improve the quality of fibre-optic-distributed vibration sensing[J]. Geophysical Prospecting, 66, 192-202(2018).

    [13] Chen D, Liu Q W, Fan X Y et al. Distributed fiber-optic acoustic sensor with enhanced response bandwidth and high signal-to-noise ratio[J]. IEEE Journal of Lightwave Technology, 35, 2037-2043(2017).

    [14] Wang Z Y, Pan Z Q, Fang Z J et al. Ultra-broadband phase-sensitive optical time-domain reflectometry with a temporally sequenced multi-frequency source[J]. Optics Letters, 40, 5192-5195(2015).

    [15] Matthew J M, Brandon R. Quantitative amplitude-measuring Φ‑OTDR with pε/Hz sensitivity using a multi-frequency pulse train[J]. Optics Letters, 45, 5226-5229(2022).

    [16] Lin S T, Wang Z N, Xiong J et al. Rayleigh fading suppression in one-dimensional optical scatters[J]. IEEE Access, 7, 17125-17132(2019).

    [17] Mermelstein M D, Posey R,, Johnson G A et al. Rayleigh scattering optical frequency correlation in a single-mode optical fiber[J]. Optics Letters, 26, 58-60(2001).

    [18] Liokumovich L B, Ushakov N A, Kotov O I et al. Fundamentals of optical fiber sensing schemes based on coherent optical time domain reflectometry: signal model under static fiber conditions[J]. Journal of Lightwave Technology, 33, 3660-3671(2015).

    [19] Zhang X P, Chen X H, Liang L et al. Enhanced C-OTDR-based online monitoring scheme for long-distance submarine cables[J]. Acta Optica Sinica, 41, 1306001(2021).

    [20] Soriano-Amat M, Martins H F, Durán V et al. Quadratic phase coding for SNR improvement in time-expanded phase-sensitive OTDR[J]. Optics Letters, 46, 4406-4409(2021).

    [21] Koyamada Y, Imahama M, Kubota K et al. Fiber-optic distributed strain and temperature sensing with very high measurand resolution over long range using coherent OTDR[J]. Journal of Lightwave Technology, 27, 1142-1146(2009).

    Tools

    Get Citation

    Copy Citation Text

    Lang Xie, Mingsong Wu, Yuehui Wang, Ziyi Yang, Yunjiang Rao, Yu Wu. Phase Demodulation Optimization Method for Multi-Frequency COTDR System[J]. Acta Optica Sinica, 2024, 44(1): 0106018

    Download Citation

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

    Category: Fiber Optics and Optical Communications

    Received: Aug. 18, 2023

    Accepted: Oct. 23, 2023

    Published Online: Jan. 11, 2024

    The Author Email: Wu Yu (wuyu@uestc.edu.cn)

    DOI:10.3788/AOS231442

    CSTR:32393.14.AOS231442

    Topics