Abstract
We introduce and study metamaterial superlattices in the form of binary structures of wires and split-ring resonators. The structures are created by sequences of printed circuit boards with split-ring resonators and wires, with the boards are arranged in the form of a superlattice. First, we experimentally study the free space scattering properties of composite structures by measuring transmission and reflection of electromagnetic waves from a regular structure with different spacing between the boards. Then, we arrange boards in the form of a superlattice, and observe the resonance splitting in the metamaterial. In contrast to earlier studies, where multiband left-handed properties were obtained by using several resonant constituents in the metamaterial, in our setup the multiband effect is obtained by using identical resonators with varied spacing to form a superlattice.
© 2007 IEEE
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