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Hollow-core Bragg fiber and its application in trace gas sensing

机译：中空布拉格光纤及其在痕量气体传感中的应用

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摘要

A hollow-core Bragg fiber with the fundamental photonic crystal bandgap around 3000 cm_(-1) was fabricated and injected with methaneitrogen mixed gas with 0.5% methane concentration. A very sharp absorption line of methane gas around 3000 cm"1 within the transmission band of hollow-core Bragg fiber was observed using the Fourier transform infrared spectroscopy, which demonstrated that hollow-core Bragg fiber can be used as a mid-infrared waveguide and minimized gas cell simultaneously, showing great potential in trace gas sensing.
机译：制备了具有基本光子晶体带隙约为3000 cm _（-1）的中空布拉格光纤，并注入了甲烷/氮气混合气体（甲烷浓度为0.5％）。使用傅里叶变换红外光谱仪观察到，在空心布拉格光纤的传输带内3000 cm“ 1附近的甲烷气体吸收线非常尖锐，这表明空心布拉格光纤可用作中红外波导和同时最小化气室，在痕量气体检测中显示出巨大潜力。

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  • 来源
    《Optical sensors and biophotonics II》|2010年|p.799008.1-799008.7|共7页
  • 会议地点 Shanghai(CN)
  • 作者

    Lichao Shi; Wei Zhang; Jie Jin; Yidong Huang; Jiangde Peng;

  • 作者单位

    Tsinghua National Laboratory for Information Science and Technology Department of Electronic Engineering, Tsinghua University, Beijing 100084, P.R. China;

    Tsinghua National Laboratory for Information Science and Technology Department of Electronic Engineering, Tsinghua University, Beijing 100084, P.R. China;

    Tsinghua National Laboratory for Information Science and Technology Department of Electronic Engineering, Tsinghua University, Beijing 100084, P.R. China;

    Tsinghua National boratory for Information Science and Technology Department of Electronic Engineering, Tsinghua University, Beijing 100084, P.R. China;

    Tsinghua National Laboratory for nformation Science and Technology Department of Electronic Engineering, Tsinghua University, Beijing 100084, P.R. China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 光波通信、激光通信;
  • 关键词

    Hollow core fibers; Bragg fiber; Photonic crystal fiber; mid-infrared transmission; trace gas sensing;

    机译：中空芯纤维；布拉格纤维;光子晶体光纤；中红外传输；痕量气体传感;

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