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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 21, Iss. 5 — May. 1, 2004
  • pp: 797–803

Beam propagation in sharply peaked forward scattering media

Arnold D. Kim and Miguel Moscoso  »View Author Affiliations

JOSA A, Vol. 21, Issue 5, pp. 797-803 (2004)

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We calculate the radiance of a light beam propagating in a uniformly scattering and absorbing slab and determine the point-spread function. We do this by solving numerically the governing radiative transport equation by use of plane-wave mode expansions. When scattering is sharply peaked in the forward direction and it becomes difficult to solve the radiative transport equation, we replace it with either the Fokker–Planck or the Leakeas–Larsen equation. We also solve these equations by using plane-wave mode expansions. Numerical results show that these two equations agree with the radiative transport equation for large anisotropy factors. The agreement improves as the optical thickness increases.

© 2004 Optical Society of America

OCIS Codes
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(030.5620) Coherence and statistical optics : Radiative transfer
(290.4210) Scattering : Multiple scattering

Original Manuscript: July 1, 2003
Revised Manuscript: October 31, 2003
Manuscript Accepted: October 31, 2003
Published: May 1, 2004

Arnold D. Kim and Miguel Moscoso, "Beam propagation in sharply peaked forward scattering media," J. Opt. Soc. Am. A 21, 797-803 (2004)

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