Controlling surface plasmon polaritons in transformed coordinates

Details Controlling surface plasmon polaritons in transformed coordinates Controlling surface plasmon polaritons in transformed coordinates

2010-10-25

arxiv.org/abs/1011.2098v1

Physics

Optics

14 pages, 9 figures

Scientific paper

Transformational optics allow for a markedly enhanced control of the electromagnetic wave trajectories within metamaterials with interesting applications ranging from perfect lenses to invisibility cloaks, carpets, concentrators and rotators. Here, we present a review of curved anisotropic heterogeneous meta-surfaces designed using the tool of transformational plasmonics, in order to achieve a similar control for surface plasmon polaritons in cylindrical and conical carpets, as well as cylindrical cloaks, concentrators and rotators of a non-convex cross-section. Finally, we provide an asymptotic form of the geometric potential for surface plasmon polaritons on such surfaces in the limit of small curvature.

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