Influence of the phase function on the determination of the optical properties of biological media

Alwin Kienle; Florian K. Forster; Raimund Hibst

doi:10.1117/12.447156

31 October 2001 Influence of the phase function on the determination of the optical properties of biological media

Alwin Kienle, Florian K. Forster, Raimund Hibst

Proceedings Volume 4432, Diagnostic Optical Spectroscopy in Biomedicine; (2001) https://doi.org/10.1117/12.447156
Event: European Conferences on Biomedical Optics, 2001, Munich, Germany

Abstract

We investigated the influence of the phase function on the determination of the optical properties of turbid media by measuring the spatially resolved reflectance, R((rho) ). Monte Carlo simulations of R((rho) ) using different experimental and theoretical phase functions served as experimental data. We show that the errors in the optical properties are as high as 100%, if these data are fitted with a standard solution of the diffusion equation. In addition, Monte Carlo simulations are applied to fit the `experimental data' using the scattering coefficient, the absorption coefficient and an additional parameter, that characterizes the phase function, as fitting parameters. It is shown that the errors in the optical parameters are < 20%.

Citation Download Citation

Alwin Kienle, Florian K. Forster, and Raimund Hibst "Influence of the phase function on the determination of the optical properties of biological media", Proc. SPIE 4432, Diagnostic Optical Spectroscopy in Biomedicine, (31 October 2001); https://doi.org/10.1117/12.447156

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