Metamaterial nanotips

Details Metamaterial nanotips Metamaterial nanotips

2008-12-27

arxiv.org/abs/0812.4741v1

Physics

Optics

4 pages, 4 figures

Scientific paper

10.1063/1.3103208

Nanostructured metamaterials, especially arrays of metallic nanoparticles which sustain the excitation of localized plasmon polaritons, provide excellent opportunities to mold the flow of light in the linear regime. We suggest a metamaterial structure whose properties are determined not only by its inner geometry but also by its entire shape. We call this structure a \emph{metamaterial nanotip}. We evaluate the potential of this nanotip to control the size and the location of the field enhancement. Two-dimensional implementations of this metamaterial nanotip were comprehensively numerically simulated and confirm the expected, physically distinct regimes of operation.

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