[1] Hodgkinson J, Tatam R P. Optical gas sensing: a review[J]. Measurement Science and Technology, 24, 012004(2013). http://smartsearch.nstl.gov.cn/paper_detail.html?id=8e6d897e531245d4f2e84f371afae4b0

[2] Li Y F, Liu Z W, Zhang T Y et al. Development and application of near-infrared laser carbon dioxide gas sensor system[J]. Acta Optica Sinica, 40, 0514003(2020).

[3] Goldenstein C S, Spearrin R M, Jeffries J B et al. Infrared laser-absorption sensing for combustion gases[J]. Progress in Energy and Combustion Science, 60, 132-176(2017).

[4] Charlton C, Temelkuran B, Dellemann G et al. Midinfrared sensors meet nanotechnology: trace gas sensing with quantum cascade lasers inside photonic band-gap hollow waveguides[J]. Applied Physics Letters, 86, 194102(2005).

[5] Tan Z, Liao C R, Liu S et al. Simultaneous measurement sensors of temperature and strain based on hollow core fiber and fiber Bragg grating[J]. Acta Optica Sinica, 38, 1206007(2018).

[6] Wilk A, Cardoso A A et al. A hyphenated preconcentrator-infrared-hollow-waveguide sensor system for N2O sensing[J]. Scientific Reports, 8, 5909(2018).

[7] Croitoru N, Inberg A, Ben-David M et al. Broad band and low loss mid-IR flexible hollow waveguides[J]. Optics Express, 12, 1341-1352(2004).

[8] George R, Harrington J A. Infrared transmissive, hollow plastic waveguides with inner Ag-AgI coatings[J]. Applied Optics, 44, 6449-6455(2005).

[9] Shi Y W, Wang Y, Abe Y et al. Cyclic olefin polymer-coated silver hollow glass waveguides for the infrared[J]. Applied Optics, 37, 7758-7762(1998).

[10] Miyagi M, Kawakami S. Design theory of dielectric-coated circular metallic waveguides for infrared transmission[J]. Journal of Lightwave Technology, 2, 116-126(1984).

[11] Wei J Y, Wei Y Q, Zhu X S et al. Miniaturization of hollow waveguide cell for spectroscopic gas sensing[J]. Sensors and Actuators B: Chemical, 243, 254-261(2017).

[12] Chen K W, Zhang X W, Zhao Z Q et al. Big bore and extremely flexible mid-infrared hollow waveguide for gas absorption module[J]. Sensors and Actuators A: Physical, 285, 45-49(2019).

[13] Kokoric V, Theisen J, Wilk A et al. Determining the partial pressure of volatile components via substrate-integrated hollow waveguide infrared spectroscopy with integrated microfluidics[J]. Analytical Chemistry, 90, 4445-4451(2018).

[14] Yang C H, Hua H, Tan W et al. Loss spectrum measurement for infrared hollow fiber based on the Fourier transform infrared spectrometer[J]. Applied Optics, 49, 2504-2509(2010).

[15] Chen K W, Zhao Z Q, Zhang X W et al. Characterization of gas absorption modules based on flexible mid-infrared hollow waveguides[J]. Sensors, 19, 1698(2019).

[16] Iwai K, Miyagi M, Shi Y W et al. Infrared hollow fiber with a vitreous film as the dielectric inner coating layer[J]. Optics Letters, 32, 3420-3422(2007).

[17] Wang Y, Shi Y W, Matsuura Y et al. Small-bore fluorocarbon polymer-coated silver hollow glass waveguides for Er∶YAG laser light[J]. Optics & Laser Technology, 29, 455-461(1998).