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Opt Express. 2006 Aug 7;14(16):7188-97.

Negative permeability and subwavelength focusing of quasi-periodic dendritic cell metamaterials.

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  • 1Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710072 PR China.


We present the design for a hexagonal cell made of quasi-periodic dendritic arranged collections of plasmonic metallic wires that may exhibit a resonant magnetic collective response. When such quasi-periodic dendritic cells are etched on a host medium, they may provide metamaterials with negative effective permeability. We also show that a clear point image is observed, as expected, with our left-handed metamaterials (LHMs) lens composed of metallic dendritic cells and wire strips. These prominent characteristics of quasi-periodic dendritic cells potentially enable us to prepare infrared or visible domain LHMs by using a general chemical method.

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