Abstract
We propose a novel double-sided structure possessing a unique anisotropic dispersion characteristics of indefinite media with degenerated left-handed and right-handed modes at the $\pmb{\Gamma}$ -point for potential antenna gain enhancement applications. After designing the unit cell and investigating the propagation characteristics of the guided modes by full-wave simulations, we demonstrate that the right-handed and lefthanded modes supported by the medium degenerate at the $\pmb{\Gamma}$ -point frequency of 34 GHz.
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