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A highly precise FBG sensor interrogation system with wavemeter calibration

机译：具有波形校准的高度精确的FBG传感器询问系统

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摘要

Fiber Bragg grating (FBG) demodulators based on tunable lasers have been extensively applied in many fields. However, the tunable lasers can hardly avoid wavelength nonlinear tuning. Such problems and unexpected wavelength fluctuations may cause serious measurement errors. In this study, we propose a wavelength calibration scheme to solve this problem by incorporating a magneto-optic wavemeter into the interrogation system. We present experimental verification of real-time wavelength calibration of tunable lasers and measurement corrections. In the temperature measurement demonstrations, the experimental results show that the FBG interrogation accuracy was raised from +/- 3 pm to +/- 1 pm, and better long-term stability was achieved, corresponding to the temperature accuracy of +/- 0.1 degrees C.
机译：基于可调谐激光器的光纤布拉格光栅（FBG）解调器已广泛应用于许多领域。然而，可调谐激光器可以难以避免波长非线性调谐。这些问题和意外波长波动可能导致严重的测量误差。在这项研究中，我们提出了一种通过将磁光波形进入询问系统来解决该问题的波长校准方案。我们提出了可调节激光器的实时波长校准的实验验证和测量校正。在温度测量演示中，实验结果表明，FBG询问精度从+/- 3 PM升高到+/-1pm，达到更好的长期稳定性，对应于+/- 0.1度的温度精度C。

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  • 来源
    《Optical fiber technology》 |2019年第3期|207-212|共6页
  • 作者

    Li Yi; Lu Bilun; Ren Lianfeng; Chen Huangguan; Qiu Yanqing; Mao Bangning; Zhou Pengwei; Zhao Chunliu; Dong Xinyong;

  • 作者单位

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

    China Jiliang Univ Coll Opt & Elect Technol Hangzhou Zhejiang Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    FBG demodulator; Tunable laser; Magneto-optic wavemeter;

    机译：FBG解调器;可调激光;磁光波形;

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