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Opt Express. 2006 Oct 2;14(20):9344-9.

Tunable split-ring resonators for nonlinear negative-index metamaterials.

Abstract

We study experimentally the dynamic tunability and self-induced nonlinearity of split-ring resonators incorporating variable capacitance diodes. We demonstrate that the eigenfrequencies of the resonators can be tuned over a wide frequency range, and significantly, we show that the self-induced nonlinear effects observed in the varactor-loaded split-ring resonator structures can appear at relatively low power levels.

PMID:
19529318
[PubMed]
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