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Optical Engineering

Semianalytical approach to pulsed light propagation in scattering and absorbing media
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Paper Abstract

A new approach to solve the radiative transport equation for time-resolved spectroscopy is presented. A new phase function that shows much better agreement with Mie theory than Henyey-Greenstein's phase function is introduced. Initial laser beams are properly modeled. For every small time increment, precise and analytical solutions are found to satisfy the radiative transport equation for the uniform field, wide beam, and narrow beam. Computer simulations give promising results. Different conditions of initial beams, media, and medium abnormalities are discussed. A strategy for using the semianalytical solutions to reconstruct the regional distribution of the scattering attenuation coefficient and future work are described.

Paper Details

Date Published: 1 August 1994
PDF: 17 pages
Opt. Eng. 33(8) doi: 10.1117/12.173572
Published in: Optical Engineering Volume 33, Issue 8
Show Author Affiliations
Pingyu Liu, Indiana Univ. (United States)
Robert A. Kruger, Indiana Univ. Medical Ctr. (United States)

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