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首页> 外文期刊>Sensors and materials >Fiber-Optic Temperature Sensor Based on Temperature-Dependent Refractive Index of Germanium-Silica Coating Stack
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Fiber-Optic Temperature Sensor Based on Temperature-Dependent Refractive Index of Germanium-Silica Coating Stack

机译:基于锗硅涂层的折射率随温度变化的光纤温度传感器

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摘要

We report on a novel fiber-optic temperature sensor based on the temperature-dependent refractive index of a germanium-silica (Ge-SiO_2) coating stack. The relationship between the reflectivity and the temperature-dependent refractive index of the Ge-SiO_2 coating stack at 1550 nm is theoretically investigated. A reflection-type fiber-optic probe with high sensitivity and wide response range is designed and fabricated by physical vapor deposition. Experimental results show that the reflectivity is linearly dependent on temperature in the range of-30 to 130 ℃, and the sensor exhibits high sensitivity and structural stability in the range of 50 to 500 K.
机译:我们报告基于锗硅(Ge-SiO_2)涂层堆栈的温度相关折射率的新型光纤温度传感器。理论上研究了Ge-SiO_2涂层在1550 nm处的反射率与温度的折射率之间的关系。通过物理气相沉积法设计制造了具有高灵敏度和宽响应范围的反射型光纤探头。实验结果表明,反射率在30至130℃范围内与温度呈线性关系,在50至500 K范围内具有较高的灵敏度和结构稳定性。

著录项

  • 来源
    《Sensors and materials》 |2014年第10期|745-751|共7页
  • 作者单位

    Engineering Research Center of Optical Instrument and System, Ministry of Education and Shanghai Key Lab of Modern Optical System, University of Shanghai for Science and Technology, No. 516 JunGong Road, Shanghai 200093, China;

    Engineering Research Center of Optical Instrument and System, Ministry of Education and Shanghai Key Lab of Modern Optical System, University of Shanghai for Science and Technology, No. 516 JunGong Road, Shanghai 200093, China,School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;

    Engineering Research Center of Optical Instrument and System, Ministry of Education and Shanghai Key Lab of Modern Optical System, University of Shanghai for Science and Technology, No. 516 JunGong Road, Shanghai 200093, China;

    Engineering Research Center of Optical Instrument and System, Ministry of Education and Shanghai Key Lab of Modern Optical System, University of Shanghai for Science and Technology, No. 516 JunGong Road, Shanghai 200093, China;

    School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    temperature sensor; optical fiber; refractive index; germanium coating;

    机译:温度感应器;光纤;折射率锗涂层;

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