Share Email Print
cover

Proceedings Paper

Exact description of photon migration in isotropically scattering media
Author(s): Viktor N. Fomenko; Filipp M. Shvarts
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

An integral equation for the probability density of the photon migration is constructed. The medium is assumed to be infinite and scatter photons isotropically. The solution is found as an expansion over the number of scatterings. The series occurs to converge rapidly suppose the travel time is fixed. The diffusion approximation is obtained from the integral equation in the limit of large travel time t and distance r such that r << t. It is shown that the probability density tends to infinity near the front. The density calculated is compared with the diffusion limit and the results of a method using path integrals. The latter results appear to be generally poorer than the diffusion theory ones, especially near the front.

Paper Details

Date Published: 1 January 1998
PDF: 9 pages
Proc. SPIE 3194, Photon Propagation in Tissues III, (1 January 1998); doi: 10.1117/12.301072
Show Author Affiliations
Viktor N. Fomenko, Univ. for Railway Communications (Russia)
Filipp M. Shvarts, S.I. Vavilov State Optical Institute (Russia)


Published in SPIE Proceedings Vol. 3194:
Photon Propagation in Tissues III
David A. Benaron; Britton Chance; Marco Ferrari, Editor(s)

© SPIE. Terms of Use
Back to Top