Chinese Journal of Quantum Electronics, Volume. 40, Issue 5, 798(2023)

Performance of gas detection based on substrate-integrated hollow waveguide

HUANG Wenbiao1... FANG Yonghua1,2,*, LIU Jiaxiang2, SI Ganshang2, LI Zhengang2, CHENG Zhen1 and SI Beibei2 |Show fewer author(s)
Author Affiliations
  • 1School of Environment Science and Optoelectronic Technology, University of Science and Technology of China,Hefei 230026, China
  • 2Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics,HFIPS, Chinese Academy of Sciences, Hefei 230031, China
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    Figures & Tables(10)
    Optical transmission form. (a) Linear type; (b) Bending type
    Variation of transmitted light intensity versus waveguide length
    Variation of transmitted light intensity versus (a) width of the waveguide cross-section and(b) bending radius of waveguide
    Physical drawings of four iHWG designs. (a) Structure 1; (b) Structure 2; (c) Structure 3; (d) Structure 4
    (a) Schematic diagram and (b) photo of gas detection system
    Measured absorption spectra of iHWG of structure 1 and structure 2
    Theoretical curve of absorbance and waveguide length
    Measured absorption spectra of iHWG of structure 3 and structure 4
    Measured absorption spectra of iHWG of structure 1 and structure 3
    • Table 1. Geometric parameters of iHWG

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      Table 1. Geometric parameters of iHWG

      iHWGShapeWaveguide length/mmCross section width/mmEquivalent absorption path length/mm
      Structure 1Straight line1603161.57
      Structure 2Extended straight line3803383.73
      Structure 3Curve1603162.78
      Structure 4Widening curve1604164.56
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    Wenbiao HUANG, Yonghua FANG, Jiaxiang LIU, Ganshang SI, Zhengang LI, Zhen CHENG, Beibei SI. Performance of gas detection based on substrate-integrated hollow waveguide[J]. Chinese Journal of Quantum Electronics, 2023, 40(5): 798

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    Paper Information

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    Received: Jul. 30, 2021

    Accepted: --

    Published Online: Nov. 24, 2023

    The Author Email: Yonghua FANG (yhfang@aiofm.ac.cn)

    DOI:10.3969/j.issn.1007-5461.2023.05.019

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