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1 December 1993 Plane-wave expansions methods applied to the calculation of the optical scattering by one-dimensional randomly rough dielectric surfaces
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Abstract
In this paper, we present a numerical study of optical waves scattered by rough surfaces. The calculations are based on the use of plane-wave expansions to describe the reflected and transmitted fields on the surface (also known as the Rayleigh hypothesis). This theory is applied to one-dimensional randomly rough dielectric surfaces, by using a random grating numerical generation. Two methods are recalled for the straightforward numerical implementation of the theory: the Point-Matching Method (PMM) and the Fourier Series Method (FSM). Examples of results for a metallic and a dielectric surface, obtained with the latter method, are in good agreement with calculations by an exact numerical method. It is reported that the FSM has a wider domain of validity but that the PMM has a faster computation time.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stephane Mainguy "Plane-wave expansions methods applied to the calculation of the optical scattering by one-dimensional randomly rough dielectric surfaces", Proc. SPIE 1995, Optical Scattering: Applications, Measurement, and Theory II, (1 December 1993); https://doi.org/10.1117/12.162664
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