Abstract
A new miniaturized bandpass fractal frequency selective surface (FSS) with excellent angular stability performance is proposed. The miniaturization has been achieved by scheming out a symmetric fractal pattern of continuous slots from the surface of a square-shaped patch, in which each periodic cell consists of incurved slot resonator for reducing the cell size. Reduction in FSS size of up to 74% with respect to the conventional square loop aperture FSS operating at the same frequency of 3.3GHz is obtained. Furthermore, results show excellent angular stability for both vertical and horizontal polarization at difierent incidence angles because of its fractal conflguration. A prototype is fabricated, and the FSS measurement and simulation results are presented and discussed.
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