Abstract

We present a new technique to determine the scattering coefficient, the absorption coefficient, and the anisotropy factor in turbid media on a microscopic level. To this end, a microspectrophotometer was used to obtain transmission measurements at different solid angles. To extract the optical properties from phantom materials (liquid and solid) and biological tissue (bovine liver) an inverse Monte Carlo algorithm was used. The results obtained with the new microspectrophotometric technique agreed within one standard deviation with the values from Mie theory and within less than 10% with the data derived from conventional spectroscopic measurements. The results suggest that this new method is a valid tool to determine the optical properties of turbid media on a microscopic level.

© 1999 Optical Society of America

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