Physics – Optics
Scientific paper
2008-08-11
D. A. Powell, I. V. Shadrivov, and Y. S. Kivshar, "Cut-wire-pair structures as two-dimensional magnetic metamaterials," Opt. E
Physics
Optics
Scientific paper
10.1364/OE.16.015185
We study numerically and experimentally magnetic metamaterials based on cut-wire pairs instead of split-ring resonators. The cut-wire pair planar structure is extended in order to create a truly two-dimensional metamaterial suitable for scaling to optical frequencies. We fabricate the cut-wire metamaterial operating at microwave frequencies with lattice spacing around 10% of the free-space wavelength, and find good agreement with direct numerical simulations. Unlike the structures based on split-ring resonators, the nearest-neighbor coupling in cut-wire pairs can result in a magnetic stop-band with propagation in the transverse direction.
Kivshar Yuri S.
Powell David A.
Shadrivov Ilya V.
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