DocumentCode
522648
Title
An array lens for circular polarization with emphasis on aperture efficiency
Author
Phillion, Rudi H. ; Okoniewski, Michal
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Calgary, Calgary, AB, Canada
fYear
2010
fDate
12-16 April 2010
Firstpage
1
Lastpage
4
Abstract
An antenna consisting of a horn and a large flat lens is presented. The lens is composed of an array of 349 circularly-polarized elements. Each element creates a phase shift that not only compensates for the spatial delay between the horn and the lens, but also directs the major lobe away from broadside. The maximum aperture efficiency is measured to be 48% at 12.9 GHz. The side-lobe and cross-polarization levels are both below −20 dB.
Keywords
Antenna arrays; Antenna feeds; Aperture antennas; Frequency selective surfaces; Lenses; Phased arrays; Polarization; Power engineering and energy; Prototypes; Reflector antennas;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on
Conference_Location
Barcelona, Spain
Print_ISBN
978-1-4244-6431-9
Electronic_ISBN
978-84-7653-472-4
Type
conf
Filename
5505847
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