Chinese Journal of Quantum Electronics, Volume. 40, Issue 5, 798(2023)
Performance of gas detection based on substrate-integrated hollow waveguide
Fig. 1. Optical transmission form. (a) Linear type; (b) Bending type
Fig. 2. Variation of transmitted light intensity versus waveguide length
Fig. 3. Variation of transmitted light intensity versus (a) width of the waveguide cross-section and(b) bending radius of waveguide
Fig. 4. Physical drawings of four iHWG designs. (a) Structure 1; (b) Structure 2; (c) Structure 3; (d) Structure 4
Fig. 5. (a) Schematic diagram and (b) photo of gas detection system
Fig. 6. Measured absorption spectra of iHWG of structure 1 and structure 2
Fig. 8. Measured absorption spectra of iHWG of structure 3 and structure 4
Fig. 9. Measured absorption spectra of iHWG of structure 1 and structure 3
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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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Received: Jul. 30, 2021
Accepted: --
Published Online: Nov. 24, 2023
The Author Email: Yonghua FANG (yhfang@aiofm.ac.cn)