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The Photonic Crystal Substrate (PCS), due to its frequency bandgap, can reduce the surface-wave modes significantly that have direct effects on the gain, radiation efficiency and directivity of the microstrip patch antennas. In this paper, a novel work used a circular patch antenna with 2-D photonic crystal substrate is studied and analyzed using the software package High Frequency Structure Simulator...
We treat in this paper the effects of the uniaxial anisotropy and the loss tangent on resonant frequencies of microstrip patches consist of two perfectly conducting rectangular plates stacked, embedded in a bilayer medium containing isotropic or anisotropic materials. The Green's functions are discussed in detail and numerical results are validated by comparing the computed results with previously...
A superconducting material of the YBCO family is considered. It is printed over a uniaxial anisotropic substrate: the Saphire material. The resonant frequency and the bandwidth are calculated using different patch thicknesses at temperatures very close to the high temperature of transition. The numerical results are compared with those of a conductor patch and are found that they are better than the...
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