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Agarose coated macro-bend fiber sensor for relative humidity and temperature measurement at 2 μm

机译:琼脂糖涂覆的宏观弯曲光纤传感器,适用于2μm的相对湿度和温度测量

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摘要

We proposed an agarose coated macro-bend fiber (AC-MBF) sensor for relative humidity and temperature measurement at 2 mu m. Stronger resonance dips in the bent fiber sensor can be found at 2 mu m region, which is at the peak of water absorption better for humidity sensing. Experimentally, such an AC-MBF sensor was very sensitive to humidity at 2 mu m region. The highest sensitivity of 0.314 nm/%RH was achieved in the range of 40-95%, which was much higher than the wavelength-modulated sensors at 1.5 mu m reported previously. Meanwhile, the sensor is also very sensitive to temperature. The maximum temperature sensitivity of the macrobend fiber sensor is 5.37 nm/degrees C. Additionally, AC-MBF sensor is with fast response time and recovery time of similar to 300 ms and 600 ms, respectively.
机译:我们提出了一种琼脂糖涂覆的宏观弯曲纤维(AC-MBF)传感器,用于2μm的相对湿度和温度测量。弯曲光纤传感器中的较强的共振蘸可以在2μm区域找到,这是湿度感测的吸水率的峰值。实验上,这种AC-MBF传感器对2μm地区的湿度非常敏感。 0.314nm /%RH的最高敏感性在40-95%的范围内实现,高于先前的1.5μm的波长调制传感器。同时,传感器对温度也非常敏感。 Macrobend光纤传感器的最高温度敏感性为5.37nm /℃。此外,AC-MBF传感器分别具有快速响应时间和恢复时间,分别与300ms和600ms相似。

著录项

  • 来源
    《Optical fiber technology》 |2019年第7期|118-124|共7页
  • 作者单位

    Fujian Normal Univ Coll Photon & Elect Engn Fuzhou Fujian Peoples R China|Quanzhou Normal Univ Photon Technol Res Ctr Quanzhou Peoples R China;

    Quanzhou Normal Univ Photon Technol Res Ctr Quanzhou Peoples R China;

    Quanzhou Normal Univ Photon Technol Res Ctr Quanzhou Peoples R China;

    Fujian Normal Univ Coll Photon & Elect Engn Fuzhou Fujian Peoples R China;

    Photon Fujian GuiComm Tech Co Ltd Fuzhou Fujian 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

    Macro-bend fiber; Agarose overlay; Temperature; Humidity;

    机译:宏观弯曲纤维;琼脂糖覆盖;温度;湿度;

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