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This paper presents dielectric resonator (DR)-based dual band left-handed (LH) transmission line. A composite right/left-handed (CRLH) type waveguide can be constructed using TE and EH resonant modes of DRs. The dispersion curves can be adjusted by varying the distance between parallel- plates. The balanced and unbalanced conditions are designed for the one-dimensional DR-based LH transmission line...
The end coupling between the 1-D DR-based CRLH TL and a NRD guide has been proposed and investigated for impedance matching. Numerical simulations confirmed that the impedance matching can be realized for both the balanced and unbalanced CRLH TLs with the NRD guide feed. A leaky wave antenna based on the 1-D CRLH TL fed by NRD guide was designed, and the numerical and measured radiation patterns are...
Leaky wave radiation from a one- dimensional left-handed transmission line is investigated that is composed of a cut-off parallel plate waveguide loaded with dielectric resonators (DR). The left-handedness is established by the combination of negative effective permittivity due to the cut-off TE parallel plate waveguide mode and negative effective permeability originating from the macroscopic behavior...
A two-dimensional composite right/left-handed (CRLH) metamaterial with an orthogonal feeding structure is demonstrated. By varying the magnitude of the input power to two orthogonal edges of the metamaterial, the net power flow direction can be controlled based on wave interaction. The CRLH metamaterial is analyzed and designed in terms of its equivalent circuit model and full-wave verification. The...
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