Sensitivities of reflectance to scattering variations in a diffusive medium

Xiaojuan Zhang; Ying Liu

doi:10.1117/12.741351

1 May 2007 Sensitivities of reflectance to scattering variations in a diffusive medium

Xiaojuan Zhang, Ying Liu

Proceedings Volume 6534, Fifth International Conference on Photonics and Imaging in Biology and Medicine; 65340P (2007) https://doi.org/10.1117/12.741351
Event: Fifth International Conference on Photonics and Imaging in Biology and Medicine, 2006, Wuhan, China

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.

Citation Download Citation

Xiaojuan Zhang and Ying Liu "Sensitivities of reflectance to scattering variations in a diffusive medium", Proc. SPIE 6534, Fifth International Conference on Photonics and Imaging in Biology and Medicine, 65340P (1 May 2007); https://doi.org/10.1117/12.741351

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