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Sci Rep. 2012;2:1-4. doi: 10.1038/srep00412. Epub 2012 May 21.

Wide-band negative permeability of nonlinear metamaterials.

Author information

  • 1Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), School of Physics, University of Sydney, NSW 2006, Australia. mlapine@physics.usyd.edu.au

Abstract

We propose a novel way to achieve an exceptionally wide frequency range where metamaterial possesses negative effective permeability. This can be achieved by employing a nonlinear response of metamaterials. We demonstrate that, with an appropriate design, a frequency band exceeding 100% is available for a range of signal amplitudes. Our proposal provides a significant improvement over the linear approach, opening a road towards broadband negative refraction and its applications.

PMID:
22629481
[PubMed - indexed for MEDLINE]
PMCID:
PMC3356885
Free PMC Article
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