Highly sensitive tunable diode laser absorption spectroscopy of CO2 around 1.31 μm

被引:0
|
作者
Shao, J [1 ]
Gao, XM
Deng, LH
Huang, W
Yang, Y
Pei, SX
Yuan, YQ
Zhang, WJ
机构
[1] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Opt Atmospher Lab, Hefei 230031, Peoples R China
[2] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Environm Spectroscopy Lab, Hefei 230031, Peoples R China
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Fifteen new absorption lines are observed when studying CO2 absorption spectroscopy by wavelength modulation (WM) technique with a distributed feedback laser. The overtone spectra of CO2 around 1.31 mum and the corresponding spectral parameters (i.e. positions, intensities, self-broadening coefficients) are presented. The intensity of the weakest line detected is 2.25163 x 10(-27) cm(-1)/(molecule(.)cm(-2)) at the pressure of 5 Torr, with a corresponding absorption of 3.88 x 10(-8).
引用
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页码:1908 / 1910
页数:3
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