Physics – Optics
Scientific paper
Jan 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jqsrt..64..201m&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 64, issue 2, pp. 201-218
Physics
Optics
2
Radiative Transfer: Scattering
Scientific paper
The authors study light scattering by Gaussian random cylinders in the ray optics approximation. The random shape is fully described by the covariance function, which can be conveniently modelled by three statistical parameters: the standard deviation of radius and the correlation lengths of angular and axial variations. The authors present a Fourier-series method for generating sample Gaussian cylinders and, by studying the total curvature, develop a criterion for the validity of the ray optics approximation. They outline a ray tracing algorithm that can be adapted to almost arbitrary, mathematically star-like particles in the cylindrical geometry. The authors study the scattering and absorption properties of Gaussian cylinders much larger than the wavelength by systematically varying their statistical parameters.
Muinonen Karri
Saarinen K.
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