Abstract

This paper proposes a two-step model for calculating the transmission spectra of collimated light for a sample of biological tissue. The role of fluctuations of the orientation of the structural elements of biological tissue in determining the scattering cross section is considered, and it is shown that, for some types of biological tissues, the chief role in determining the scattering cross section is played by density fluctuation and, for others, by the fluctuation of the orientation of the structural elements of the biological tissue. There is shown to be good quantitative agreement between the spectra calculated from the proposed model and the experimental spectra of optical transmission by a tissue sample.

© 2007 Optical Society of America

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