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This paper presents multiple miniaturized element frequency selective surface (MEFSS) based optically transparent ground plane configurations with focus on increasing the bandwidth of the ground plane while maintaining a good optical transparency. First, the behavior of MEFSSs is studied using a basic circuit model. The relationship between the circuit and design parameters is then derived and it...
In this paper, we propose a new structure that has similar behavior to materials with extremely low permittivity. This novel structure is used here to construct waveguide junctions such as 90deg and 180deg turns while maintaining negligible return loss. Numerical demonstrations of the proposed structure are presented here.
A new structure that effectively behaves like ENZ material was proposed. This structure which is composed of parallel metallic wires allows super coupling and wave squeezing in waveguide junctions. The performance of the structure was numerically tested in a number of waveguide geometries with different junction shapes. The primary advantage of the structure proposed here is in its simple construction,...
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