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Opt Express. 2006 Sep 18;14(19):8661-74.

Modeling diffuse reflectance from semi-infinite turbid media: application to the study of skin optical properties.


Diffuse reflectance spectroscopy in the visible and NIR spectral ranges is an effective and extensively used technique for the non-invasive study and characterization of various biological tissues. In this article, a short review of currently available modeling techniques for diffuse reflectance from semi-infinite turbid media is presented. Starting from the basic physical picture of the diffuse reflectance problem, a simple and practical model is then proposed for use with fiber optic probes. The validity of the model is tested on tissue phantoms and it is then applied to the analysis of diffuse reflectance spectra collected from human skin in vivo.


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