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In this paper, a new wideband single-layer lossy frequency selective surfaces (FSS) absorber using Double Fractal Square Loops (DFSL) array is proposed. A unit cell of the periodic structure for the absorber is designed and simulated. A simple equivalent circuit model is proposed that predicts the plane wave transmission characteristics for normal incidence. The absorber consists of a copper layer...
A multilayer frequency selective surface (FSS) with subwavelength fractal elements based on the antenna-filter- antenna (AFA) concept is proposed in this paper. The upper fractal patches are inductive and non-resonant, and the fractal slots on the ground provide a capacitance. The thin substrate is equivalent to a transformer and some resonant modes are produced. Multiple transmission poles are obtained...
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