A copper negative index metamaterial in the visible / near-infrared

Details A copper negative index metamaterial in the visible / near-infrared A copper negative index metamaterial in the visible / near-infrared

2011-07-22

arxiv.org/abs/1107.4489v2

Physics

Optics

4 figures Inclusion of additional simulations referee request addition and correction of references, journal formatting style

Scientific paper

10.1063/1.3654149

We propose a design for a plasmonic copper metamaterial with a negative index of refraction at visible/near-infrared wavelengths. Using numerical simulations, we demonstrate negative refraction by a copper metamaterial prism, and perform a parameter extraction technique to verify the sign of the effective, electric permittivity and magnetic permeability. Our proposed design has a figure of merit comparable to similar silver-based metamaterials operating in the visible/near-infrared range. These findings have implications for the design of low cost plasmonic devices and negative-index metamaterials in the visible / near-infrared.

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