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Metamaterial inspired Fabry-Pérot antenna with cascaded frequency selective surfaces

Abstract : A Fabry–Pérot antenna can be realized by employing a frequency selective surface (FSS), with suitable frequency selective properties, placed at an adequate distance from a perfect electric ground plane, in our case the ground plane is a metamaterial high impedance surface (HIS). The FSS is a multilayer partially reflective surface (PRS) realized by a periodic distribution of metallic elements printed on a dielectric slab. It can almost entirely reflect incident waves. By inserting a patch antenna between the ground plane and the FSS, a highly directive antenna can be obtained. Metamaterials are artificial structures that can be designed to exhibit unusual electromagnetic properties not observed in natural materials. The HIS is a metamaterial structure. The HIS does not support propagating surface waves, and it reflects electromagnetic waves with no phase reversal. Simulated and experimental results are presented.
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Davi B. Brito, A. G. D’assunção, Robson Maniçoba, Xavier Begaud. Metamaterial inspired Fabry-Pérot antenna with cascaded frequency selective surfaces. Microwave and Optical Technology Letters, Wiley, 2013, 55 (5), pp.981-985. ⟨10.1002/mop.27531⟩. ⟨hal-02286406⟩



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