Measuring the absorption in nitrous oxide and methane at first-overtone CO laser wavelengths using topographic target and receiving telescope
A.A. Ionin1, L.Yu. Kalnitskii2, I.O. Kinyaevskii1, Yu.M. Klimachev1, A.Yu. Kozlov1, A.A. Kotkov1, G.G. Matvienko3,4, O.A. Romanovskii3,4, S.V. Yakovlev3,4
1P.N. Lebedev Physical Institute of the Russian Academy of Science, 53 Leninskij Prospekt, 119991, Moscow, Russia
2Moscow Institute of Physics and Technology, per. Institutskiy, 9, Moscow Region, Dolgoprudnyiy, 141700, Russia
3V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
4National Research Tomsk State University, 36, Lenin Avenue, Tomsk, 634050,Russia
Keywords: обертонный CO-лазер, газовый анализ, атмосфера, дифференциальное поглощение, first-overtone CO laser, gas analysis, atmosphere, differential absorption
Abstract
Laboratory experiments with a first-overtone CO laser are performed to simulate a lidar system. The trace remote sensing scheme of atmospheric gases (nitrous oxide and methane) at emission lines of the pulsed first-overtone CO laser is tested using topographic target and receiving telescope. Results of the measurements of absorption of the first-overtone CO laser operating at 20 selected emission lines in gas mixtures with the gases studied at various configurations of the experimental scheme are presented.
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