Nested structures approach in designing an isotropic negative-index material for infrared

A. Andryieuski; R. Malureanu; A. Lavrinenko

doi:10.2971/jeos.2009.09003

Journal of the European Optical Society - Rapid publications, Vol 4 (2009)

Nested structures approach in designing an isotropic negative-index material for infrared

A. Andryieuski, R. Malureanu, A. Lavrinenko

Abstract

We propose a new generic approach for designing isotropic metamaterial with nested cubic structures. As an example, a three-dimensional isotropic unit cell design "Split Cube in Cage" (SCiC) is shown to exhibit an effective negative refractive index on infrared wavelengths. We report on the refractive index reaching -2.3 and the figure of merit as high as 2.7. The structure exhibits potential for application as a building block of isotropic negative-index materials.

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