Abstract
The authors report the transmission properties of omega shaped metallic inclusions on a dielectric medium that exhibits bianisotropic properties. The resonance frequencies of single omega resonators are investigated experimentally and numerically. The resonance frequency of an Ω structure depends on its orientation with respect to the incident electric field. Increasing the tail length of the Ω resonator causes a decrease in resonance frequency. Band gaps due to the magnetoelectric resonances are observed for various types of periodic omega arrays. A transmission band is observed when a periodic Ω media is combined with a negative permittivity media of periodic thin wires. The transmission band appears below the band gap of periodic omega media, in turn indicating right-handed behavior. A dual transmission band is obtained by composing two different types of metamaterials that are arranged periodically.
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