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12 November 2020 Experimental studies of the spectral dependence of backscattering signals on aerosol at wavelengths of a CO2 laser
Shuo Zhang, Alexey Karapusikov, Anton Klimkin, Grigorii Kokhanenko, Alexey Kuryak, Konstantin Osipov, Yury Ponomarev
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Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1156059 (2020) https://doi.org/10.1117/12.2575913
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation
Abstract
The report discusses the results of experiments on the registration of backscattering of IR radiation from various aerosol formations. The studies were conducted on the bench for prototyping lidar measurements at a controlled route. Water and solutions in water of tryptophan, salt, alcohol, glycerin, and reduced nicotinamide adenine dinucleotide (NADH) served as model media. For the experiments, the stand was upgraded with an IR radiation source – a tunable waveguide CO2 laser, and an IR receiver – cooled with liquid nitrogen MCT. As a result of the experiments, the ability to discriminate a number of aerosols among themselves by changes in the absorption spectrum during laser wavelength tuning along the lines of a CO2 laser, which can be used in remote laser sensing, was determined.
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Shuo Zhang, Alexey Karapusikov, Anton Klimkin, Grigorii Kokhanenko, Alexey Kuryak, Konstantin Osipov, and Yury Ponomarev "Experimental studies of the spectral dependence of backscattering signals on aerosol at wavelengths of a CO2 laser", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1156059 (12 November 2020); https://doi.org/10.1117/12.2575913
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KEYWORDS
Aerosols
Backscatter
Gas lasers
LIDAR
Atmospheric particles
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