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Abstract: A new strategy to control the flow of surface plasmon polaritons at metallicsurfaces is presented. It is based on the application of the concept ofTransformation Optics to devise the optical parameters of the dielectric mediumplaced on top of the metal surface. We describe the general methodology for thedesign of Transformation-Optical devices for surface plasmons and analyze, forproof-of-principle purposes, three representative examples with differentfunctionalities: a beam shifter, a cylindrical cloak and a ground-plane cloak.



Autor: Paloma A. Huidobro, Maxim L. Nesterov, Luis Martin-Moreno, Francisco J. Garcia-Vidal

Fuente: https://arxiv.org/







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