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Light attenuation in multiphase medium

Król T.

Turbulence : international journal

2005

Vol. 11

161-167

Light interaction with optically inhomogeneous media, which generally are multiphase media, must be regarded as interaction with optically turhid media. If the medium scatters mildly and the influence of the energy scattered once more can be neglected, then we deal with a single scattering model. The analysis of light interaction with inhomogeneous media, which usually multiphase media are, requires detailed determination of optical parameters of existing non-homogeneities. One of them is the light attenuation cross-section, which is defined as a sum of light absorption and scattering cross-sections. In order to illustrate a number of effects, which characterize light interaction with multiphase media, optical properties of exemplary multiphase media containing spherical particles are presented (air bubbles in water, emulsions of crude oil in water, phytoplankton cells in water).