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      Optical analog of Matthiessen's rule in a one-dimensional model for diffusive light transport in foams

      , Article Physical Review E - Statistical, Nonlinear, and Soft Matter Physics ; Volume 82, Issue 4 , 2010 ; 15393755 (ISSN) Miri, M ; Kheradsoud, S ; Madadi, E ; Mokhtari, Z ; Hassani, H ; Sharif University of Technology
      2010
      Abstract
      We study photon diffusion in a one-dimensional model foam composed of thin films and Plateau borders. Each thin film or Plateau border is characterized by its own intensity transmittance. We relate | Foam, the transport-mean-free path of photons diffusing in the foam, to the foam microstructure. Denoting by l Film (l PB) the transport-mean-free path of photons in a medium composed only of thin films (Plateau borders), we find 1/ l Foam = φF / l Film + φP / l PB. Here φF and φP =1- φF are the fraction of films and Plateau borders, respectively  
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