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Noise analysis and measurement of high sensitivity photonic crystal fiber-optic gyroscope

机译：高灵敏度光子晶体光纤陀螺仪的噪声分析与测量

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摘要

Incoherent back-reflection and backscattering in photonic crystal fiber (PCF) interferometer fiber-optic gyroscope (IFOG) was investigated experimentally by using an optical time domain reflectometer (OTDR). A method to evaluate the intensity of the incoherent back-reflected and backscattered light in PCF IFOG was proposed. With the evaluated incoherent back-reflected and backscattered light intensity, a more accurate noise model for PCF IFOG was proposed. In the model, not only the fundamental detection limits in conventional IFOG but also the extra noise arise from incoherent back-reflection and backscattering owing to the unique structure of the PCF were considered. An experimental quantitative verification of the model was provided by using a noise measurement setup. The measurement results showed that the predictions were in good agreement with the observed noise levels. (C) 2015 Elsevier Inc. All rights reserved.
机译：使用光时域反射仪（OTDR），对光子晶体光纤（PCF）干涉仪光纤陀螺仪（IFOG）中的非相干背向反射和背向散射进行了研究。提出了一种评估PCF IFOG中非相干背向反射和背向散射光强度的方法。通过对非相干背向反射和背向散射光强度的评估，提出了一种更精确的PCF IFOG噪声模型。在该模型中，不仅考虑了常规IFOG的基本检测极限，而且还考虑了由于PCF独特的结构而导致的非相干背向反射和背向散射产生的额外噪声。通过使用噪声测量设置，对模型进行了实验定量验证。测量结果表明，预测结果与观测到的噪声水平非常吻合。 （C）2015 Elsevier Inc.保留所有权利。

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  • 来源
    《Optical fiber technology》 |2015年第10期|1-6|共6页
  • 作者

    Teng Fei; Jin Jing; Huang Yunlong; Zhang Zuchen; Zhang Chunxi;

  • 作者单位

    Beihang Univ, Sch Instrument Sci & Optoelect Engn, Beijing 100191, Peoples R China.;

    Beihang Univ, Sch Instrument Sci & Optoelect Engn, Beijing 100191, Peoples R China.;

    Beihang Univ, Sch Instrument Sci & Optoelect Engn, Beijing 100191, Peoples R China.;

    Beihang Univ, Sch Instrument Sci & Optoelect Engn, Beijing 100191, Peoples R China.;

    Beihang Univ, Sch Instrument Sci & Optoelect Engn, Beijing 100191, 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

    Fiber optic gyroscope; Photonic crystal fiber; Noise analysis;

    机译：光纤陀螺;光子晶体光纤;噪声分析;

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