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首页> 外文期刊>Optics Letters >Parallelized fiber Michelson interferometers with advanced curvature sensitivity plus abated temperature crosstalk
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Parallelized fiber Michelson interferometers with advanced curvature sensitivity plus abated temperature crosstalk

机译：具有晚期曲率敏感性的平行化纤维米切尔干涉仪加上减压串扰

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摘要

In this Letter, we proposed a super sensitive optic-fiber curvature sensor with ultra-low temperature crosstalk based on Vernier effect and achieved it experimentally. This sensor composes a pair of parallelized 2CFMIs (2-core-fiber Michelson interferometers) in similar lengths, both ofwhich are involved sensing, but there is a rotation angle between their cross-sections. When the rotation angle approaches 180 degrees, the magnification factor for curvature sensitivity is doubled compared with conventional Vernier effect, while for temperature it is always 1. Therefore, advanced curvature sensitivity and abated temperature crosstalk can be realized simultaneously when demodulating Vernier envelops. The experiment results indicate that the curvature sensitivity of this sensor reached 214.533 nm/m(-1), and temperature crosstalk was as low as 0.000276 m(-1)/degrees C. The fabrication process is extremely flexible and repeatable, and the magnification factor of Vernier effect could be controlled conveniently. (C) 2020 Optical Society of America
机译：在这封信中，我们提出了一种超级敏感光纤曲率传感器，基于vernier效应，并通过超低温度串扰进行实验实现。该传感器在类似的长度中组成了一对并联的2CFMI（2芯 - 纤维迈克森干涉仪，其中涉及感测，但它们之间存在横截面之间的旋转角度。当旋转角度接近180度时，与传统的游标效应相比，曲率灵敏度的放大系数加倍，而温度始终为1.因此，在解调Vernier包络时可以同时实现晚期曲率敏感性和减弱温度串扰。实验结果表明该传感器的曲率敏感性达到214.533nm / m（-1），温度串扰低至0.000276 m（-1）/℃。制造过程非常柔韧，可重复，并倍率可以方便地控制游标效果的因素。 （c）2020美国光学学会

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  • 来源
    《Optics Letters》 |2020年第18期|共4页
  • 作者

    Li Zhe; Zhang Yan-Xin; Zhang Wei-Gang; Kong Ling-Xin; Yue Yang; Yan Tie-Yi;

  • 作者单位

    Nankai Univ Inst Modern Opt Tianjin 300350 Peoples R China;

    Nankai Univ Inst Modern Opt Tianjin 300350 Peoples R China;

    Nankai Univ Inst Modern Opt Tianjin 300350 Peoples R China;

    Nankai Univ Inst Modern Opt Tianjin 300350 Peoples R China;

    Nankai Univ Inst Modern Opt Tianjin 300350 Peoples R China;

    Nankai Univ Inst Modern Opt Tianjin 300350 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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