Remote Sensing of Nitrous Oxide and Methane Using Emission Lines of a CO Overtone Laser
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We have conducted laboratory experiments on remote sensing of methane in the 3.440 μm region and nitrous oxide in the 3.877 μm region, using emission lines of a CO overtone laser in the differential absorption method. We present the results of measurements of absorption and extinction of the emission lines from an CO overtone laser in the region of selected sensing wavelengths in mixtures with the analyte gases for different experimental configurations.
KeywordsCO overtone laser gas analysis atmosphere differential absorption
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