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Proceedings Article

Monte Carlo and diffusion calculations of photon migration in noninfinite highly scattering media

[+] Author Affiliations
John C. Haselgrove

Univ. of Pennsylvania Dental School (USA)

John S. Leigh, Jr., Conway Yee, NaiGuang Wang, Michael B. Maris, Britton Chance

Univ. of Pennsylvania Medical School (USA)

Proc. SPIE 1431, Time-Resolved Spectroscopy and Imaging of Tissues, 30 (May 1, 1991); doi:10.1117/12.44175
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From Conference Volume 1431

  • Time-Resolved Spectroscopy and Imaging of Tissues
  • Britton Chance
  • Los Angeles, CA | January 20, 1991

abstract

We have investigated the effect of an absorbing object on the time- course and the migration paths of photons within a highly scattering cylindrical phantom. Experimentally, we injected photons into the phantom at one point on the circumference, and recorded the time course of the photons arriving at various detection positions round the cylinder. The simulations used both a Monte-Carlo approach and a diffusion approach to calculate the photon migration. The two computational approaches are similar. The calculated time-course signals agree well with the experimentally observed signals. Moreover, we are able to use a diffusion approximation to calculate the probable paths taken for photons which take a defined time to travel from source to detector.

© (1991) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

John C. Haselgrove ; John S. Leigh, Jr. ; Conway Yee ; NaiGuang Wang ; Michael B. Maris, et al.
"Monte Carlo and diffusion calculations of photon migration in noninfinite highly scattering media", Proc. SPIE 1431, Time-Resolved Spectroscopy and Imaging of Tissues, 30 (May 1, 1991); doi:10.1117/12.44175; http://dx.doi.org/10.1117/12.44175


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