Approaches to Three-Dimensional Transformation Optical Media Using Quasi-Conformal Coordinate Transformations

Details Approaches to Three-Dimensional Transformation Optical Media Using Quasi-Conformal Coordinate Transformations Approaches to Three-Dimensional Transformation Optical Media Using Quasi-Conformal Coordinate Transformations

2010-07-26

arxiv.org/abs/1007.4363v1

Physics

Optics

Scientific paper

We introduce an approach to the design of three-dimensional transformation optical (TO) media based on a generalized quasi-conformal mapping approach. The generalized quasi-conformal TO (QCTO) approach enables the design of media that can, in principle, be broadband and low-loss, while controlling the propagation of waves with arbitrary angles of incidence and polarization. We illustrate the method in the design of a three-dimensional "carpet" ground plane cloak and of a flattened Luneburg lens. Ray-trace studies provide a confirmation of the performance of the QCTO media, while also revealing the limited performance of index-only versions of these devices.

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