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A new broadband antenna of high gain: the double Cornu-spiral antenna

  • A new planar compact antenna composed of two crossed Cornu spirals is presented. Each Cornu spiral is fed from the center of the linearly part of the curvature between the two spirals, which builds the clothoid. Sequential rotation is applied using a sequential phase network to obtain circular polarization and increase the effective bandwidth. Signal integrity issues have been addressed and designed to ensure high quality of signal propagation. As a result, the antenna shows good radiation characteristics in the bandwidth of interest. Compared to antennas of the same size in the literature, it is broadband and of high gain. Although the proposed antenna has been designed for K- and Ka-band operations, it can also be developed for lower and upper frequencies because of the linearity of the Maxwell equations.

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Author of HS ReutlingenMöck, Matthias; Pouhè, David; Tcheg, Paul
Erschienen in:Progress in electromagnetics research : PIER. C
Place of publication:Cambridge, Mass.
Document Type:Article
Year of Publication:2022
Page Number:14
First Page:199
Last Page:212
DDC classes:530 Physik
Open Access?:Ja
Licence (German):License Logo  Open Access