Internal reflection of diffusive light in random media

J. X. Zhu, D. J. Pine, D. A. Weitz

Research output: Contribution to journalArticlepeer-review


The consequences of internal reflection of multiply scattered light at the boundaries of disordered media are studied. We show that the effect of internal reflection due to index mismatch can be quantitatively accounted for with a single parameter by incorporating a reflection coefficient into the boundary condition for the diffusive light. We measure the angular correlation functions in transmission and reflection at different thicknesses for both high- and low-index mismatch. By including the effect of internal reflection, we are able to obtain consistent quantitative agreement between experiment and theory. Extensions to other experiments including diffusing-wave spectroscopy, coherent backscattering, frequency correlations, and pulse propagation are discussed.

Original languageEnglish (US)
Pages (from-to)3948-3959
Number of pages12
JournalPhysical Review A
Issue number6
StatePublished - 1991

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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