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Spectral characterization of polarization dependent loss in fiber Bragg grating under local pressure and the analysis of secondary peak

机译：局部压力下光纤布拉格光栅偏振相关损耗的光谱表征及次峰分析

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摘要

In this paper, a study of the spectral characterization of polarization dependent loss (PDL) in fiber Bragg grating (FBG) under local pressure is presented and the evolution of the secondary peak is analyzed. The effects of the load magnitude, loaded length and loaded position on the amplitude and wavelength of the created secondary peak are investigated in detail. The numerical simulation based on the modified transfer matrix method is used to calculate the transmission and PDL response of the FBG. The theoretical analysis and numerical simulation demonstrate that the loaded length and load amplitude have significant effect on the characterization of the secondary peak. The results show that there is the potential in distributed FBG transverse load sensing by tracking the secondary peak of PDL variation. (C) 2015 Elsevier Inc. All rights reserved.
机译：本文对光纤布拉格光栅（FBG）在局部压力下的偏振相关损耗（PDL）的光谱特性进行了研究，并分析了次峰的演化。详细研究了载荷大小，载荷长度和载荷位置对所创建的次峰的振幅和波长的影响。基于改进的传输矩阵方法的数值模拟被用于计算FBG的传输和PDL响应。理论分析和数值模拟表明，加载长度和加载幅度对次级峰的表征有重要影响。结果表明，通过跟踪PDL变化的次峰值，可以在分布式FBG横向载荷感测中发挥作用。 （C）2015 Elsevier Inc.保留所有权利。

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  • 来源
    《Optical fiber technology》 |2015年第8期|77-83|共7页
  • 作者

    Su Yang; Zhu Yong; Zhang Baofu; Zhou Hua; Li Jianhua; Wang Feng;

  • 作者单位

    PLA Univ Sci & Technol, Inst Commun Engn, Nanjing, Jiangsu, Peoples R China;

    PLA Univ Sci & Technol, Inst Commun Engn, Nanjing, Jiangsu, Peoples R China;

    PLA Univ Sci & Technol, Inst Commun Engn, Nanjing, Jiangsu, Peoples R China;

    PLA Univ Sci & Technol, Inst Commun Engn, Nanjing, Jiangsu, Peoples R China;

    PLA Univ Sci & Technol, Inst Commun Engn, Nanjing, Jiangsu, Peoples R China;

    Nanjing Univ, Inst Opt Commun Engn, Nanjing, 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 Bragg grating sensor; Local pressure; Secondary peak; Polarization properties;

    机译：光纤光栅传感器;局部压力;二次峰;极化特性;

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