Optimized Design of Slotted Waveguide Arrays Loaded with Parasitic Dipoles for Circular Polarization at Ka Band

Konferenz: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
23.03.2009 - 27.03.2009 in Berlin, Germany

Tagungsband: EuCAP 2009

Seiten: 5Sprache: EnglischTyp: PDF

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Herranz, J. I.; Baquero, M.; Valero-Nogueira, A.; Sánchez, D.; Balbastre, J. V. (Dpt. Comunicaciones, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022, Valencia, Spain)

This paper describes the procedure followed to design and optimize a large array of resonant shunt slots loaded with parasitic dipoles to achieve circular polarization. Specifically, it proposes a procedure to tune up the uniform array model design. Such method turns out to be fundamental when external mutual couplings among radiators exhibit strong levels. This is the case treated in this paper, where radiators are etched on an electrically thick dielectric layer.