Quantum cascade laser spectroscopy of N2O in the 7.9μm region for the in situ monitoring of the atmosphere
| Autor: | Agnès Grossel, Lilian Joly, Bertrand Parvitte, D. Courtois, Georges Durry, Virginie Zeninari |
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| Přispěvatelé: | Groupe de spectrométrie moléculaire et atmosphérique (GSMA), Université de Reims Champagne-Ardenne (URCA)-Centre National de la Recherche Scientifique (CNRS), Service d'aéronomie (SA), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2008 |
| Předmět: |
In situ
Materials science 010504 meteorology & atmospheric sciences Analytical chemistry Quantum cascade laser 01 natural sciences law.invention 010309 optics Atmosphere Optics law 0103 physical sciences Spectroscopy 0105 earth and related environmental sciences Line (formation) [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] Nitrous oxide Radiation Spectrometer business.industry Spectroscopic parameters Laser Atomic and Molecular Physics and Optics business Intensity (heat transfer) |
| Zdroj: | Journal of Quantitative Spectroscopy and Radiative Transfer Journal of Quantitative Spectroscopy and Radiative Transfer, 2008, 109 (10), pp.1845-1855. ⟨10.1016/j.jqsrt.2007.12.002⟩ Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier, 2008, 109 (10), pp.1845-1855. ⟨10.1016/j.jqsrt.2007.12.002⟩ |
| ISSN: | 0022-4073 |
| Popis: | A quantum cascade laser spectrometer was used in the Groupe de Spectrometrie Moleculaire et Atmospherique of Reims (France) to precisely study nitrous oxide (N2O) line parameters near 7.9 μm. The spectral region ranging from 1275 to 1280 cm–1, which is suitable for the in situ measurement of N2O in the atmosphere from balloon-borne measurements, was studied using a commercial laser from Alpes Lasers. Five lines of the ν1 band of N2O have been studied. The results of intensity measurements, air-broadening coefficients and their variation with temperature from −58 °C up to ambient temperature are compared with previous determinations and available databases. These results demonstrate that these parameters for N2O are quite well known in the literature. Parameters obtained in this work are given with a very high precision. |
| Databáze: | OpenAIRE |
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