Farhad Farzami

  • Citations Per Year
Learn More
A substrate integrated waveguide (SIW) loaded by embedded split ring resonators (SRRs) with transversal negative effective permeability is proposed. It is shown that the structure can support propagation of backward waves below cut off frequency. Therefore the width of the SIW structure can be considered less than half a wavelength at the cut off frequency,(More)
Miniaturization of a rectangular microstrip antenna using a magneto-dielectric substrate is discussed theoretically and experimentally. A compact magnetodielectric substrate is designed using a metamaterial structure which can reduce the antenna dimensions by increasing the constitutive parameters of the substrate. Furthermore, the proposed structure is(More)
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)
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 backwardand forwardwave passbands below and above the cutoff frequency of the host SIW, respectively. The MTM-SIW structure is then slightly manipulated(More)
  • 1