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Radiative Transfer II. Proceedings of the Second International Symposium on Radiation Transfer
July, 1997 , Kusadasi, Turkey

DOI: 10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhenCHTRadTransfProc


ISBN Print: 978-1-56700-116-7

ISSN Online: 2642-5629

ISSN Flash Drive: 2642-5661

MONTE CARLO SIMULATION OF LIGHT SCATTERING BY INHOMOGENEOUS SPHERES

page 10
DOI: 10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhenCHTRadTransfProc.260
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摘要

The light scattering properties of optically inhomogeneous spherical particles are studied by means of a phase resolved 3-dimensional Monte Carlo simulation. This is equivalent to a radiative transfer process in a participating medium with spherical boundaries. For zero concentration of inhomogenities we obtain the undisturbed scattering distribution of the coherent light with its size-dominated oscillating structure. With increasing optical depth of the scattering medium this interference structure is disturbed by multiple scattering within the particle and the corresponding loss of coherence. For large optical depth the Schoenberg result for a sphere with a Lambert surface is obtained.
Thus it is possible to quantify the influence of size and concentration of a fine dispersed phase inside a spherical droplet onto the light scattering properties of an inhomogeneous macroscopical particle. This is of importance for the application of various optical particle sizing techniques on media, that contain fine dispersed substances.

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