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  • Title: Multiple-scattering transmission and an effective average photon path length of a plane-parallel beam in a homogeneous medium.
    Author: Ben-David A.
    Journal: Appl Opt; 1995 May 20; 34(15):2802-10. PubMed ID: 21052427.
    Abstract:
    A two-stream radiative transfer model is used to derive expressions for the multiple-scattered transmitted flux (including single-scattering contributions) and the total effective average photon path length on transmission of a normally incident plane-parallel beam on a homogeneous layer characterized by the optical depth, the single-scattering albedo, and the asymmetry parameter of the scatterers. The results are simple analytical expressions that are useful for modifying the Beer-Lambert transmission law for a thick scattering medium in which the multiple-scattering contribution to the transmission is not negligible.
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