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Simultaneous measurement of refractive-index and temperature with high sensitivity by combined use of long-period grating and defect cavity in photonic crystal fibers

机译:结合使用长周期光栅和光子晶体光纤中的缺陷腔,以高灵敏度同时测量折射率和温度

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摘要

A dual-parameter sensor for measuring refractive-index and temperature is designed based on a magnetic fluids infiltrated photonic crystal fiber. By inserting a defective cavity in the cladding layer and inscribing a long-period grating on the fiber core, the proposed sensing mechanism can be achieved directly. The mode coupling and the confinement loss of cladding modes are investigated, and a dual-parameter matrix method is utilized to solve the cross-sensitivity problem. In addition, the relationship between resonant wavelength and external magnetic-field has been studied, which can be used for measuring the magnetic field.
机译:基于磁流体渗透的光子晶体光纤,设计了一种用于测量折射率和温度的双参数传感器。通过在包层中插入有缺陷的空腔并在光纤纤芯上刻上长周期光栅,可以直接实现所提出的传感机制。研究了模态耦合和包层模态的限制损耗,并采用双参数矩阵法解决了交叉敏感问题。另外,研究了共振波长与外部磁场之间的关系,可用于测量磁场。

著录项

  • 来源
    《Optical and quantum electronics》 |2017年第10期|327.1-327.11|共11页
  • 作者单位

    School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China;

    School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China;

    School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China;

    School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China;

    School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China;

    School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China;

    School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 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

    Directional coupling; Fiber sensing; Long-period grating; Photonic crystal fiber;

    机译:定向耦合;光纤感应;长周期光栅;光子晶体光纤;

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