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Multiple scattering spectra in strongly scattering media: Diffusion and non-diffusion contributions to spectrum halfwidth

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
138
Identifiers
DOI: 10.1016/0375-9601(89)90290-9

Abstract

Abstract Photon correlation technique has been used to study polystyrene latex samples in four concentrations. The optical thickness γ of the samples amounted to 30. It was found that the halfwidth of the multiple scattering can be represented as a sum of two terms: the leading term is proportional to γ 2 and corresponds to the diffusion approximation of the radiation transport theory, while the other is a function of polarization of radiation and is not described by the diffusion equation.

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