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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 5 — May. 17, 2007

Controlled Monte Carlo method for light propagation in tissue of semi-infinite geometry

Nanguang Chen  »View Author Affiliations


Applied Optics, Vol. 46, Issue 10, pp. 1597-1603 (2007)
http://dx.doi.org/10.1364/AO.46.001597


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Abstract

The controlled Monte Carlo method is generalized to model photon migration in turbid media of arbitrary geometries. Its implementation for the reflection geometry is exemplified in this paper. The most probable diffuse direction of light is used as the local attractive vector that serves as the basis of biased sampling of scattering angles. Consequently, path-length resolved photon trajectories can be generated with a significantly improved efficiency. We report a more than 29 times reduction in simulation time for early arriving photons in a typical configuration.

© 2007 Optical Society of America

OCIS Codes
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.6920) Medical optics and biotechnology : Time-resolved imaging
(290.7050) Scattering : Turbid media

ToC Category:
Diffuse optical imaging

History
Original Manuscript: April 27, 2006
Revised Manuscript: September 4, 2006
Manuscript Accepted: September 29, 2006
Published: March 13, 2007

Virtual Issues
Vol. 2, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Nanguang Chen, "Controlled Monte Carlo method for light propagation in tissue of semi-infinite geometry," Appl. Opt. 46, 1597-1603 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-46-10-1597

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