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

Andrei Andryieuski, Radu Malureanu, Andrei Lavrinenko

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    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.
    Original languageEnglish
    JournalJournal of the European Optical Society - Rapid Publications
    Volume4
    Pages (from-to)09003
    ISSN1990-2573
    DOIs
    Publication statusPublished - 2009

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