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Integrated Antennas And Phased Arrays With Mode-Fee Electromagnetic Bandgap Materials

技術優勢: • Multifunctional electromagnetic structure which can be used as an electromagnetic bandgap material or as an antenna element, with no need for changing the material or geometry profile • Has mode-free electromagnetic bandgap property • Eliminates scan blindness completely from microstrip antennas along all scan directions • Provides better radiation characteristics

技術應用: • Antennas • Wireless communication systems • Radars • Industrial Scanning/Inspection • Microwave systems

詳細技術說明: A multifunctional electromagnetic structure is presented. It is a true electromagnetic bandgap (EBG) material, with both surface and leaky waves suppressed from the whole structure along all lateral directions, and an antenna element, radiating to the broadside direction, simultaneously. The structure has two metallization layers of sliced concentric rings between square shaped radiating top metal layer and bottom ground plane. The lower rings are connected to the ground plane through vias and the patch of the top layer is fed with a probe. The EBG cells are used as antenna elements in a phased array environment where they eliminate scan blindness from the array structure along all scan directions.

*Abstract: The invention is a multifunctional electromagnetic structure that enhances antennas performance significantly. Built using an electromagnetic bandgap material, it eliminates scan blindness for phased array structures, along all scan directions. The invention simultaneously improves the radiation pattern as well.

*Principal Investigation: Name: Enver Adas
Department:

Name: Nicolaos Alexopoulos
Department:

Name: Franco De Flaviis
Department:

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