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The transition from the ballistic to the diffusive regime in a turbid medium

By Andre Yaroshevsky, Ziv Glasser, Er'el Granot and Shmuel Sternklar

Abstract

By varying the absorption coefficient and width of an intralipid- India ink solution in a quasi one-dimensional experiment, the transition between the ballistic and the diffusive regimes is investigated. The medium's attenuation coefficient changes abruptly between two different values within a single mean-free-path. This problem is analyzed both experimentally and theoretically, and it is demonstrated that the transition location depends on the scattering coefficient as well as on the measuring solid angle.Comment: 2 Figure

Topics: Physics - Optics, Condensed Matter - Disordered Systems and Neural Networks
Year: 2011
DOI identifier: 10.1364/OL.36.001395
OAI identifier: oai:arXiv.org:1104.0417
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