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Light scattering by particles of arbitrary shape: a fractal approach

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Abstract

The intensity of light scattered by particles of dimensions that are large compared with the incident wavelength depends on the particles’ geometry. We propose to model the surface irregularities by a function of fractal type; then in the framework of an eikonal picture we derive an expression for the scattering amplitude that takes into account exactly the shape of the scattering surface. Our results show that the scattered intensity permits discrimination between smooth and rough surfaces and also between the sizes of the irregularities.

© 1986 Optical Society of America

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