We investigate numerically multiple light-scattering phenomena for two-dimensional randomly rough metallic surfaces, where surface plasmon polaritons (SPPs) mediate several surface scattering effects. The scattering problem is solved by numerical solution of the reduced Rayleigh equation for reflection. The multiple scattering phenomena of enhanced backscattering and enhanced forward scattering are observed in the same system, and their presence is due to the excitation of SPPs. The numerical results discussed are qualitatively different from previous results for one-dimensionally rough surfaces, as one-dimensional surfaces have a limited influence on the polarization of light.
© 2013 Optical Society of America
Original Manuscript: January 31, 2013
Manuscript Accepted: March 4, 2013
Published: May 14, 2013
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics
Paul Anton Letnes, Tor Nordam, and Ingve Simonsen, "Coherent effects in the scattering of light from two-dimensional rough metal surfaces," J. Opt. Soc. Am. A 30, 1136-1145 (2013)