Industrial photochemistry VII: Light distribution in a diffusing medium of titanium dioxide in water
1985
Abstract The experimental determination of the total light distribution in an aqueous solution of titanium dioxide for an almost non-absorbing wavelength shows that the extinction coefficient exhibits a non-linear dependence on the concentration at high solute concentrations. The axial and radial light distributions, measured relative to an incident light beam of small cross section, are monoexponential and bi-exponential decay functions respectively. The proportion of scattered light relative to the total amount of light incident on an axial cross section is a function which increases exponentially with increasing distance. A computer-run Monte Carlo simulation of multiple diffusion shows the same behaviour.
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