Polarization-dependent backscattering patterns from weakly scattering media

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Abstract
Specific patterns determined by the polarization in the retroreflected light from weakly scattering media were investigated. A simple model is developed to account for the observed characteristics of the patterns. Low-order scattering events are considered to be responsible for the occurrence of the patterns. Geometrical and statistical depolarizations as well as the volume fraction of scatterers were taken into account. The theoretical model considered here describes properly the features of the observed patterns.