Intra-connected three-dimensionally isotropic bulk negative index photonic metamaterial

Details Intra-connected three-dimensionally isotropic bulk negative index photonic metamaterial Intra-connected three-dimensionally isotropic bulk negative index photonic metamaterial

2010-04-02

arxiv.org/abs/1004.0389v1

Optics Express18, 12348 (2010)

Physics

Optics

4 figures, 6 pages

Scientific paper

Isotropic negative index metamaterials (NIMs) are highly desired, particularly for the realization of ultra-high resolution lenses. However, existing isotropic NIMs function only two-dimensionally and cannot be miniaturized beyond microwaves. Direct laser writing processes can be a paradigm shift toward the fabrication of three-dimensionally (3D) isotropic bulk optical metamaterials, but only at the expense of an additional design constraint, namely connectivity. Here, we demonstrate with a proof of-principle design that the requirement connectivity does not preclude fully isotropic left-handed behavior. This is an important step towards the realization of bulk 3D isotropic NIMs at optical wavelengths.

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