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Proceedings Paper

Sensitivities of reflectance to scattering variations in a diffusive medium
Author(s): Xiaojuan Zhang; Ying Liu
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Paper Abstract

The sensitivity expression of spatial-resolved diffuse reflectance to scattering parameter is deduced in the P3 approximation model, and the influence of scattering parameter on the reflectance is analyzed using this expression. The results show that the sensitivity is distinct with that of the diffusion approximation in the region of about one transport mean free path, and optimum source-detector distance where the sensitivity to scattering parameter equals zero differs from the diffusion approximation's too.This optimum source-detector distance is found shortened when a medium has bigger scattering coefficient or bigger absorption coefficient. The research is very valuable for in vivo measurement based on the spatial-resolved diffuse reflectance.

Paper Details

Date Published: 1 May 2007
PDF: 6 pages
Proc. SPIE 6534, Fifth International Conference on Photonics and Imaging in Biology and Medicine, 65340P (1 May 2007); doi: 10.1117/12.741351
Show Author Affiliations
Xiaojuan Zhang, Civil Aviation Univ. of China (China)
Ying Liu, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 6534:
Fifth International Conference on Photonics and Imaging in Biology and Medicine

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