Scattering properties of spherical ice particles
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Abstract
Water ice is widespread in the Solar system. The sizes of water ice particles are distributed over a fairly wide range. However, computer modeling of light scattering by sufficiently large ice particles at the present stage of development of computer technology can only be realized in the approximation of geometrical optics. The question of the limiting size remains open, starting from which geometric optics begins to describe scattering properties well. In view of this, for a qualitative study of the scattering properties of ice particles, the Mie theory was used, which describes the scattering of light by an ideal sphere. In this work, we investigate the features of light scattering characteristics, such as intensity and polarization as well as photometric color, by large particles of water ice with a size of about 0.7 mm. The effect of the scattering particle size and the phase angle on the scattering properties of ice particles is studied. We determine the minimum size of an ice spherical particle at which scattering can be described by the laws of geometric optics.
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