Acta Optica Sinica, Volume. 37, Issue 8, 0806005(2017)

Pattern Recognition of Heterodyne Phase-Sensitive Optical Time-Domain Reflection Technique Based on Down Conversion and IQ Demodulation

Longxiang Shen*, Hao Feng, Zhou Sha, and Zhoumo Zeng
Author Affiliations
  • State Key Laboratory of Precision Testing Techniques and Instrument, Tianjin University, Tianjin 300072, China
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    References(16)

    [2] Feng Kaibin, Song Muping, Xia Qiaolan et al. High-resolution distributed optical-fiber sensing technology based on direct-detecting coherent optical time-domain reflectometer[J]. Acta Optica Sinica, 36, 0106002(2016).

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    [5] Peng Zhengpu, Rao Yunjiang, Peng Fei et al. Long distance phase-sensitive optical time-domain reflectometer based on heterodyne detection and forward Raman amplification[J]. Journal of Optoelectronics·Laser, 25, 724-729(2014).

    [7] Pan Z Q, Liang K Z, Ye Q et al. Phase-sensitive OTDR system based on digital coherent detection[C]. SPIE, 8311, 83110S(2011).

    [8] Wang Z, Zhang L, Wang S et al. Coherent Φ-OTDR based on I/Q demodulation and homodyne detection[J]. Optics Express, 24, 853-858(2016).

    [10] An Yang, Feng Hao, Zhang Jingchuan et al. Phase sensitive optical time domain reflectometer based on two-beam interference[J]. Acta Optica Sinica, 33, 0706005(2013).

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    [15] Zhang Yan, Lou Shuqin, Liang Sheng et al. Study of pattern recognition based on multi-characteristic parameters for Φ-OTDR distributed optical fiber sensing system[J]. Chinese J Lasers, 42, 1105005(2015).

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    Longxiang Shen, Hao Feng, Zhou Sha, Zhoumo Zeng. Pattern Recognition of Heterodyne Phase-Sensitive Optical Time-Domain Reflection Technique Based on Down Conversion and IQ Demodulation[J]. Acta Optica Sinica, 2017, 37(8): 0806005

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Apr. 5, 2017

    Accepted: --

    Published Online: Sep. 7, 2018

    The Author Email: Shen Longxiang (15202203166@163.com)

    DOI:10.3788/AOS201737.0806005

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