Metamaterials with negative permeability and negative refractive index: Experiments and simulations
Journal of Optics A: Pure and Applied Optics
Institute of Physics Publishing Ltd.
S301 - S307
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We report the transmission characteristics of split-ring resonator and left-handed metamaterials (LHM) in the microwave frequency regime. A left-handed transmission band is observed at the frequencies where both dielectric permittivity and magnetic permeability are negative. The reflection characteristics of ordered and disordered LHMs are studied. The two-dimensional LHM structure is verified to have a negative refractive index. We employed three different methods to observe negative refraction: the beam shift method, refraction through wedge-shaped negative-index metamaterial, and phase-shift experiments.
Negative phase velocity
Published Version (Please cite this version)http://doi.org/10.1088/1464-4258/9/9/S04
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