Abstract
A polydisperse sphere model with the complex refractive index isemployed to describe the propagation of light in biological tissue. Thescattering coefficient, absorption coefficient and scattering phasefunction are calculated. At the same time, the inverse problem onretrieving the particles size distribution, imaginary part of therefractive index and number density of scatterers is investigated. Theresult shows that the retrieval scheme together with the Chahine algorithmis effective in dealing with such an inverse problem. It is alsoclarified that a group of parameters including the scatteringcoefficient, absorption coefficient and phase function are associatedwith another group including the refractive index, particle sizedistribution and number density of scatterers, which is a problemdescribed in two different ways and the anisotropy factor is not anindependent variable, but is determined by the phase function.
Published Version
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