Diode laser spectroscopy of CO2 in the 1.6 μm region for the in situ sensing of the middle atmosphere

被引：50
|
作者：
Pouchet, I
Zéninari, V
Parvitte, B
Durry, G
机构：
[1] CNRS, UMR 7620, Serv Aeron, Inst Pierre Simon Laplace, F-91371 Verrieres Le Buisson, France
[2] UFR Sci Exactes & Nat, CNRS, UMR 6089, Grp Spectrometrie Mol & Atmospher, F-51687 Reims 2, France
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2004年 / 83卷 / 3-4期
关键词：
diode laser; near-infrared spectrometry; carbon dioxide; atmospheric applications;
D O I：
10.1016/S0022-4073(03)00108-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A diode laser spectrometer was used in the laboratory to study CO2 line intensities and pressure-broadening coefficients near 1.6 mum. The spectral region ranging from 6230 to 6250 cm(-1) which is suitable for the in situ sensing of carbon dioxide in the lower stratosphere was studied using a commercial telecommunication-type diode laser. Thirteen lines of the (30(0)1)(III) <-- (000) band Of CO2 have been studied. The results of intensity measurements are compared to previous determinations and available databases. Furthermore the broadening coefficients by N-2 and O-2 for the strongest transitions are also reported and analyzed. Finally, preliminary measurements of stratospheric CO2 achieved in 2002 with the "SDLA" balloonborne TDL-spectrometer are discussed. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：619 / 628
页数：10
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