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arXiv · 0911.3742

A General Class of Metamaterial Transformation Slabs

Ilaria Gallina·Giuseppe Castaldi·Vincenzo Galdi·Andrea Alu'·Nader Engheta
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Abstract

In this paper, we apply transformation-based optics to the derivation of a general class of transparent metamaterial slabs. By means of analytical and numerical full-wave studies, we explore their image displacement/formation capabilities, and establish intriguing connections with configurations already known in the literature. Starting from these revisitations, we develop a number of nontrivial extensions, and illustrate their possible applications to the design of perfect radomes, anti-cloaking devices, and focusing devices based on double-positive (possibly nonmagnetic) media. These designs show that such anomalous features may be achieved without necessarily relying on negative-index or strongly resonant metamaterials, suggesting more practical venues for the realization of these devices.

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Ilaria Gallina, Giuseppe Castaldi, Vincenzo Galdi, Andrea Alu', Nader Engheta. 2010-02-10. A General Class of Metamaterial Transformation Slabs. https://doi.org/10.1103/physrevb.81.125124

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