Scattering Of Light From Very Rough Perfectly Conductive Surfaces

J. M. Soto-Crespo; M. Nieto-Vesperinas

doi:10.1117/12.950370

28 March 1989 Scattering Of Light From Very Rough Perfectly Conductive Surfaces

J. M. Soto-Crespo, M. Nieto-Vesperinas

Proceedings Volume 1029, Scattering and Diffraction; (1989) https://doi.org/10.1117/12.950370
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

By using a new numerical method based on the extinction theorem boundary condition. we obtain scattered intensities from both random and periodic perfectly conductive rough surfaces. Lambertian scattering and enhanced backscattering are predicted for random surfaces having Normal statistics and a Gaussian correlation function. Differences between distributions of scattered intensities for T.E. and T.M. waves are studied. Also, the behaviour of the backscattering peak with λ and θ0 is discussed. We show as well that, the blaze effect for the antispecular order, obtained from deep reflection gratings with arbitrary profiles, is closely connected with the effect of enhanced backscattering observed in random rough surfaces. In addition, we prove that when the illuminated structure has a center of symmetry, the intensity in the specular direction is also enhanced.

Citation Download Citation

J. M. Soto-Crespo and M. Nieto-Vesperinas "Scattering Of Light From Very Rough Perfectly Conductive Surfaces", Proc. SPIE 1029, Scattering and Diffraction, (28 March 1989); https://doi.org/10.1117/12.950370

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