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Proceedings Paper

Evaluation of conventional optics approach to diffraction of diffuse photon-density waves
Author(s): Stephen P. Morgan; Mark C. Pitter; Michael G. Somekh; Kai Y. Yong
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Paper Abstract

Scalar diffraction theory is used to model the propagation of diffuse photon density waves in heavily scattering media. The principal difference between this and previous approaches is that the three classical boundary conditions have been considered. The model is shown to qualitatively demonstrate the correct trends for diffraction by planar objects embedded at different depths within the scattering medium. Quantitatively the three scalar diffraction boundary conditions are shown to provide different results in both amplitude and phase of the diffraction pattern at the detector plane. Preliminary results indicate that the Kirchoff boundary condition provides the best match to Monte Carlo simulations.

Paper Details

Date Published: 15 July 1999
PDF: 10 pages
Proc. SPIE 3597, Optical Tomography and Spectroscopy of Tissue III, (15 July 1999); doi: 10.1117/12.356819
Show Author Affiliations
Stephen P. Morgan, Univ. of Nottingham (United Kingdom)
Mark C. Pitter, Univ. of Nottingham (United Kingdom)
Michael G. Somekh, Univ. of Nottingham (United Kingdom)
Kai Y. Yong, Univ. of Nottingham (United Kingdom)

Published in SPIE Proceedings Vol. 3597:
Optical Tomography and Spectroscopy of Tissue III
Britton Chance; Robert R. Alfano; Bruce J. Tromberg, Editor(s)

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