Vol. 32, issue 05, article # 7

Timofeev D.N., Konoshonkin A.V., Kustova N.V., Shishko V.A., Borovoy A.G. Influence of absorption on light scattering on atmospheric ice crystals for wavelengths typical to lidar sounding. // Optika Atmosfery i Okeana. 2019. V. 32. No. 05. P. 381–385 [in Russian].
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Abstract:

The numerical solution within the geometrical optics approximation of the light scattering matrices for ice crystals with arbitrary shape taking the absorption into account were presented. The results show that the absorption decreases the intensity of scattered light when a wavelength goes far to the IR. It was shown that the influence of absorption is less than basis points for 0.355 and 0.532 mm wavelengths, and less than several percent for 1.064 mm. For the near IR the influence of that effect could be more than several dozen percent.

Keywords:

light scattering, absorption, ice crystals, geometrical optics, cirrus clouds

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