Second-Harmonic Detection with Tunable Diode Laser Absorption Spectroscopy of CO and CO2 at 1.58 μm
TU Xing-hua, LIU Wen-qing, ZHANG Yu-jun, DONG Feng-zhong, WANG Min, WANG Tie-dong, WANG Xiao-mei, LIU Jian-guo
The Key Laboratory of Environmental Optics and Technology, Chinese Academy of Sciences, Anhui Institute of Optics and Fine Mechanics, Hefei 230031, China
Abstract:Tunable diode laser absorption spectroscopy has been applied in the fields of atmospheric chemistry and monitoring pollutant gases as a new method of measuring trace gases. The technique of remote sensing of CO and CO2 at 760 mm Hg pressure with tunable diode laser absorption spectroscopy in the near-infrared region is introduced. And the relationship between the second-harmonic spectrum of CO2 in Lorentzian line shape and the modulation amplitude is also presented.
涂兴华,刘文清,张玉钧,董凤忠,王敏,王铁栋,王晓梅,刘建国. CO和CO2的1.58 μm波段可调谐二极管激光吸收光谱的二次谐波检测研究[J]. 光谱学与光谱分析, 2006, 26(07): 1190-1194.
TU Xing-hua, LIU Wen-qing, ZHANG Yu-jun, DONG Feng-zhong, WANG Min, WANG Tie-dong, WANG Xiao-mei, LIU Jian-guo. Second-Harmonic Detection with Tunable Diode Laser Absorption Spectroscopy of CO and CO2 at 1.58 μm. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(07): 1190-1194.
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