Wave scattering from self-affine surfaces
Physical Review E, 2000•APS
Electromagnetic wave scattering from a perfectly reflecting self-affine surface is considered.
Within the framework of the Kirchhoff approximation, we show that the scattering cross
section can be exactly written as a function of the scattering angle via a centered symmetric
Lévy distribution for the general roughness amplitude, Hurst exponent and wavelength of
the incident wave. Our prediction is supported by direct numerical simulations.
Within the framework of the Kirchhoff approximation, we show that the scattering cross
section can be exactly written as a function of the scattering angle via a centered symmetric
Lévy distribution for the general roughness amplitude, Hurst exponent and wavelength of
the incident wave. Our prediction is supported by direct numerical simulations.
Abstract
Electromagnetic wave scattering from a perfectly reflecting self-affine surface is considered. Within the framework of the Kirchhoff approximation, we show that the scattering cross section can be exactly written as a function of the scattering angle via a centered symmetric Lévy distribution for the general roughness amplitude, Hurst exponent and wavelength of the incident wave. Our prediction is supported by direct numerical simulations.
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