1999•Waves in Random MediaRequires access

Localization of the virtual point source used in the diffusion approximation to model a collimated beam source

Xavier Intes, Bernard Le Jeune, Fabrice Pellen, Y. Guern, Christophe Cariou, J Lotrian

Abstract

This paper discusses the experimental validity of a frequently assumed fact: in a highly anisotropic scattering medium considered as infinite, a collimated intensity-modulated beam source can be modelled by a point-like source located on the emissive axis, at one time the mean transport length from the source fibre tip.

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Available abstract

Key concepts: Collimated light, Point source, Beam (structure), Anisotropy, Optics, Diffusion, Point (geometry), Scattering