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Design and Measurement of Anisotropic Metamaterials that Exhibit Negative Refraction
David R. SMITH Patrick RYE David C. VIER Anthony F. STARR Jack J. MOCK Timothy PERRAM
IEICE TRANSACTIONS on Electronics
Publication Date: 2004/03/01
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Section on Photonic Crystals and Their Device Applications)
left-handed media, negative refraction, negative index, metamaterials, photonic crystals,
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Artificial electromagnetic structures have significantly broadened the range of wave propagation phenomena available. In particular, it has been shown that metamaterials can be constructed for which the index-of-refraction is negative over a finite band of frequencies. In this paper, we present the design, fabrication and characterization of a metamaterial that exhibits negative refraction. The metamaterial design we explore is anisotropic in the plane of propagation. Based on our analysis and supporting simulations and measurements, we demonstrate that for the geometry considered, the anisotropic metamaterial has the identical negative refraction properties as would an isotropic negative index metamaterial.