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Scattering from rough inhomogeneous media: splitting of surface and volume scattering
A Sentenac1, H Giovannini, M Saillard
1Institut Fresnel, Université de St Jérĵme, Marseille, France. anne.sentenac@fresnel.fr
Abstract:
The intensity scattered by particles randomly placed beneath a rough interface is studied with rigorous simulations. It is shown that the angular intensity pattern is close to that obtained by adding the intensity scattered by particles under a flat surface to that scattered by a rough homogeneous surface whose permittivity is evaluated with an effective-medium theory. This heuristic splitting rule is accurate for a large range of parameters that are well beyond any perturbative treatment.