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Wave propagation in single layer substrate integrated waveguides (SIWs) loaded by embedded split-ring resonators (ESRRs) is discussed theoretically and experimentally. It is shown that the loaded SIW can support a backward-wave passband below the cutoff frequency (f<sub>c</sub>) of the host SIW or a stopband will appear above f<sub>c</sub> if the effective(More)
Keywords: Substrate integrated waveguide (SIW) Three-dimensional embedded split ring resonators (3-DESRRs) Transmission line (TL) Metamaterial (MTM) a b s t r a c t A substrate integrated waveguide (SIW) loaded by three-dimensional embedded split ring resonators (3-DESRRs) is discussed theoretically and experimentally. The 3-DESRR structure which has proved(More)
— Two substrate integrated waveguides (SIW) loaded by a new single metamaterial (MTM) cell are discussed theoretically and experimentally. The first MTM-loaded SIW shows a passband-like response with balanced backward-and forward-wave passbands below and above the cutoff frequency of the host SIW, respectively. The MTM-SIW structure is then slightly(More)
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