Design, Fabrication, and Measurement of a One-Dimensional Periodically Structured Surface Antenna

When exploring alternatives to the patch antenna, it is important to compare not only the performance of the full antenna designs, but also the physical properties of the resonant modes of the alternative structures directly with those of the patch. This paper studies a periodically structured surface resonator that is used to provide a wider bandwidth alternative to a simple patch antenna with a thickness of less than 1/30 of a wavelength. The bandwidth improvement results, in part, because the resonator has a fundamental radiation mode with a lower radiation Q-factor than the simple patch of the same electrical volume.

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