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Conjugated Gammadion Chiral Metamaterial with Uniaxial Optical Activity and Negative Refractive Index
IOWA STATE UNIV AMES
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We demonstrate numerically and experimentally a conjugated gammadion chiral metamaterial that uniaxially exhibits huge optical activity and circular dichroism, and gives a negative refractive index. This chiral design provides smaller unit cell size and larger chirality compared with other published planar designs. Experiments are performed at GHz frequencies around 6 GHz and are in good agreement with the numerical simulations.
APPROVED FOR PUBLIC RELEASE