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首页> 外文期刊>IEEE sensors journal >Optical Fiber Polarizer With Fe–C Film for Corrosion Monitoring
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Optical Fiber Polarizer With Fe–C Film for Corrosion Monitoring

机译：带有Fe–C膜的光纤偏振器，用于腐蚀监测

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摘要

The detection of early corrosion is a key issue to mitigate the damage induced by metal corrosion. This paper presents a corrosion sensor for steel based on an iron film-coated optical fiber polarizer. The polarizer is fabricated by sputtering a Fe-C film on a side-polished single mode fiber. The new fabricated polarizer shows highly birefringence, indicated by the difference of the transmission between the TE and TM modes, as well as the extinction ratio (ER). A series of simulations has been performed based on two models. The influences of the parameters of the sensor fabrication, the surrounding media, and film composition on the ER ratio and leakage are studied by the simulations. The accelerated corrosion experiments by immersing the polarizer into NaCl solution show that the polarizers become weakly birefringent after exposure. The results show that the ER and measured optical power decrease gradually during the corrosion process. The proposed polarizer can be used for monitoring the early stage of steel corrosion by building the relationship between the corrosion status and the polarization characteristics.
机译：早期腐蚀的检测是减轻金属腐蚀引起的损害的关键问题。本文提出了一种基于铁膜涂层光纤偏振器的钢铁腐蚀传感器。偏光器是通过在侧面抛光的单模光纤上溅射Fe-C膜制成的。新制造的偏振片显示出很高的双折射，这由TE和TM模式之间的透射率差异以及消光比（ER）表示。已基于两个模型执行了一系列仿真。通过仿真研究了传感器制造参数，周围介质和膜组成对ER比和泄漏的影响。通过将偏振器浸入NaCl溶液中进行的加速腐蚀实验表明，偏振器在曝光后变得弱双折射。结果表明，腐蚀过程中ER和测得的光功率逐渐降低。通过建立腐蚀状态和极化特性之间的关系，所提出的偏振器可用于监测钢腐蚀的早期阶段。

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  • 来源
    《IEEE sensors journal》 |2017年第21期|6904-6910|共7页
  • 作者

    Wenbin Hu; Likang Ding; Cheng Zhu; Donglai Guo; Yinquan Yuan; Ning Ma; Wei Chen;

  • 作者单位

    National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan, China;

    School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China;

    Yangtze Optical Fibre and Cable Joint Stock Limited Company, Wuhan, China;

    National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan, China;

    National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan, China;

    Huangpi NCO, Air Force Early Warning Academy, Wuhan, China;

    State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Atmospheric modeling; Corrosion; Optical fiber sensors; Optical fibers; Erbium;

    机译：大气建模腐蚀光纤传感器光纤E;

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