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首页> 外文期刊>Optical fiber technology >Response characteristic analysis of polarization maintaining fiber ring resonator with dual-coupler for sensing application
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Response characteristic analysis of polarization maintaining fiber ring resonator with dual-coupler for sensing application

机译：感测应用双耦合保偏光纤环形谐振器的响应特性分析

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摘要

A polarization maintaining fiber ring resonator with dual-coupler (PMDC-FRR) for sensing application is presented in this paper. Polarization maintaining directional fiber couplers and fiber loop are employed to eliminate the polarization fading in the fiber ring resonator. Three important characteristic parameters associated with the sensing application, which are the visibility of the output intensities, the free spectral range and the finesse, are discussed as functions of the coupler coefficients and the fiber loop length in detail. In addition, the critical drive voltage of the tunable laser to keep the output intensities stable is also analyzed, when the fiber ring resonator with dual-coupler is utilized as fiber sensor with phase modulation. A PMDC-FRR is designed practically in experiment with the power coupling coefficients of 0.5 and the loop length of 22 m. The experimental results provide sufficient arguments for the theoretical predicts. The theoretical and experimental analysis results will be useful to the sensing application of the PMDC-FRR.
机译：本文提出了一种用于传感应用的带有双耦合器的保偏光纤环形谐振器（PMDC-FRR）。采用保偏定向光纤耦合器和光纤环路来消除光纤环形谐振器中的偏振衰减。详细讨论了与传感应用相关的三个重要特征参数，即输出强度的可见性，自由光谱范围和精细度，它们是耦合器系数和光纤环路长度的函数。此外，在将带有双耦合器的光纤环形谐振器用作具有相位调制功能的光纤传感器时，还分析了可调谐激光器保持输出强度稳定的临界驱动电压。 PMDC-FRR是在实验中实际设计的，功率耦合系数为0.5，环路长度为22 m。实验结果为理论预测提供了充分的依据。理论和实验分析结果将对PMDC-FRR的传感应用有用。

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  • 来源
    《Optical fiber technology》 |2011年第4期|p.297-304|共8页
  • 作者

    Wei Rao; Nan Zhang; Shuidong Xiong; Qiong Yao; Yongming Hu;

  • 作者单位

    College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, China;

    College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, China;

    College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, China;

    College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, China;

    College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, 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 ring resonator; polarization maintaining coupler; visibility; free spectral range; finesse;

    机译：光纤环形谐振器保偏耦合器;能见度;自由光谱范围技巧;

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