B. Byrne, N. Raveu, N. Capet, G. Le Fur, L. Duchesne
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引用次数: 5
Abstract
A new approach to design a metamaterial surface (meta-surface) with the objective of reducing the waveguide's cutoff frequency of the fundamental mode is proposed. From an analytical study of the dispersion diagrams of waveguides with anisotropic walls, a hypothesis for the surface impedances is set up. By means of this new hypothesis, the design of a unit-cell is optimized. Finally, the periodically arranged meta-surface is implemented in a miniaturized waveguide and the simulation results are compared to the ones of a metallic waveguide in order to validate the approach.
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