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Tunability of wire-grid metamaterial immersed into nematic liquid crystal

Gorkunov, M.V. and Osipov, M.A. (2008) Tunability of wire-grid metamaterial immersed into nematic liquid crystal. Journal of Applied Physics, 103 (3). ISSN 0021-8979

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Abstract

We propose electrically tunable hybrid metamaterial consisting of special wire grid immersed into nematic liquid crystal. The plasmalike permittivity of the structure can be substantially varied due to switching of the liquid crystal alignment by external voltages applied to the wires. Depending on the scale of the structure, the effect is available for both microwave and optical frequency ranges