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Applied Optics

Applied Optics


  • Vol. 37, Iss. 22 — Aug. 1, 1998
  • pp: 5313–5319

Optical diffusion of continuous-wave, pulsed, and density waves in scattering media and comparisons with radiative transfer

Arnold D. Kim and Akira Ishimaru  »View Author Affiliations

Applied Optics, Vol. 37, Issue 22, pp. 5313-5319 (1998)

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We discuss several outstanding theoretical problems in optical diffusion in random media. Specifically, we discuss which of several diffusion theories most closely approximates exact solutions of the equation of transfer. We consider a plane wave impinging upon a plane-parallel slab of a random medium as a model problem to compare the diffusion theories with a numerical solution of the equation of transfer for continuous-wave, pulsed, and photon density waves. In addition, we discuss the validity of the diffusion approximation for a variety of parameter settings to ascertain the diffusion approximation’s applicability to imaging biological media.

© 1998 Optical Society of America

OCIS Codes
(290.1990) Scattering : Diffusion
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles

Original Manuscript: November 25, 1997
Revised Manuscript: March 10, 1998
Published: August 1, 1998

Arnold D. Kim and Akira Ishimaru, "Optical diffusion of continuous-wave, pulsed, and density waves in scattering media and comparisons with radiative transfer," Appl. Opt. 37, 5313-5319 (1998)

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