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Functional multi-band THz meta-foils.


ABSTRACT: In this paper, we present the first experimental demonstration of double- and triple-band negative refraction index meta-foils in the terahertz (THz) region. Multi-band meta-foils constructed by multi-cell S-string resonators in a single structure exhibit simultaneously negative permittivity and negative permeability responses at multiple frequencies. The phenomena are confirmed by numerical simulations and Fourier transform infrared spectroscopy measurements. The flexible, freestanding multi-band meta-foils provide a promising candidate for the development of multi-frequency THz materials and devices.

SUBMITTER: Wu J 

PROVIDER: S-EPMC3866592 | biostudies-other | 2013

REPOSITORIES: biostudies-other

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