Cylindrical Cloak with Axial Permittivity/Permeability Spatially Invariant

Details Cylindrical Cloak with Axial Permittivity/Permeability Spatially Invariant Cylindrical Cloak with Axial Permittivity/Permeability Spatially Invariant

2008-04-24

arxiv.org/abs/0804.3847v1

APPLIED PHYSICS LETTERS 93, 033504 2008

Physics

Optics

Scientific paper

10.1063/1.2953433

In order to reduce the difficulties in the experimental realizations of the cloak but still keep good performance of invisibility, we proposed a perfect cylindrical invisibility cloak with spatially invariant axial material parameters. The advantage of this kind of TE (or TM) cloak is that only rho and phi components of mu (or epsilon) are spatially variant, which makes it possible to realize perfect invisibility with two-dimensional (2D) magnetic (or electric) metamaterials. The effects of perturbations of the parameters on the performance of this cloak are quantitatively analyzed by scattering theory. Our work provides a simple and feasible solution to the experimental realization of cloaks with ideal parameters.

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