[1] Moore C B. Gas-laser frequency selection by molecular absorption.Appl Opt, 1965,4:252~253
[2] Grant W B. He-Ne and CW CO2 laser long-path systems for gas detection.Appl Opt, 1986,25:709~719
[3] Karapuzikov A I, Ptashnik I V, Sherstov I V, et al. Modeling of helicopter-borne tunable TEA CO2 DIAL system employment for detection of methane and ammonia leakages.Infrared Physics and Technology, 2000,41(2):87~96
[4] Giorgio G,Elisa C,Daniele B, et al. Fabry-perot interferometer for atmospheric HCl and CH4 remote sensing.Proceedings of SPIE, 2002,4485:107~116
[5] Cassidy D T. Trace gas detection using 1.3 μm InGaAsP diode laser transmitter modules.Appl Opt, 1988,27:610~614
[6] Takaya I,Hideo T,Kiyoshi K. Portable remote methane sensor using a tunable diode laser.Measurement Science and Technology, 2000,11(6):594~602
[7] Zéninari V, Parvitte B, Courtois D,et al.Methane detection on the sub-ppm level with a near-infrared diode laser photoacoustic sensor. Infrared Physics and Technology, 2003,44(4):253~261
[8] Dakin J P,Wade C A. A novel optical fibre methane sensor. Proc Fibre Optics′87,London,England,1987.254~260
[9] Jin W,Stewart G,Culshaw B. Absorption measurement of methane gas with a broadband light source and interferometric signal processing.Opt Letters,1993,18:1364~1366