Oblique response of a split-ring-resonator-based left-handed metamaterial slab
Optical Society of America
2294 - 2296
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We experimentally studied the transmission response of a one-dimensional rectangle-prism-shaped metamaterial slab for oblique incidence angles. The electrical size of the split-ring resonators was 1 order of magnitude smaller than the operation wavelength ∼8.5 cm. We demonstrated that the left-handed transmission peak preserved up to an angle of incidence 45°. The angular measurements were performed with respect to two lateral directions. The confirmed insensitivity of split-ring-resonator-based metamaterials to the angle of incidence makes them a good candidate for superlens applications. © 2009 Optical Society of America.