Reduced light-scattering properties for mixtures of spherical particles: a simple approximation derived from Mie calculations

R. Graaff, J. G. Aarnoudse, J. R. Zijp, P. M. A. Sloot, F. F. M. de Mul, J. Greve, M. H. Koelink
1992 Applied Optics  
Reduced light-scattering properties for mixtures off spherical particles: a simple approximation derived from Mie calculations Graaff, R.; Aarnoudse, J.G.; Zijp, J.R.; Sloot, P.M.A.; de Mul, F.F.M.; Greve, J. The reduced scattering cross section per unit of volume ;' -,(1 -g) is an important parameter to describe light propagation in media with scattering and absorption. Mie calculations of the asymmetry factorg for nonabsorbing spheres and Q_, the ratio of the scattering cross section ;, and
more » ... ss section ;, and the particle cross section, show that Q_(1 -g) = 3.28x 037 (m -1)209 is true to within a few percent, when the Mie parameters for relative refractive index m and size x are in the ranges of 1 < m • 1.1 and 5 < x < 50, respectively. A ratio of reduced scattering cross sections for radiation at two wavelengths is also independent of the size within the range mentioned, even for mixtures of different size spheres. The results seem promising for biomedical applications.
doi:10.1364/ao.31.001370 pmid:20720767 fatcat:6z5txgy3ivacbpc5zflc7y5tly