Title :
Circular polarization selectivity of space-fed arrays using element rotation
Author :
Phillion, Rudi H. ; Okoniewski, Michal
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Calgary, Calgary, AB, Canada
Abstract :
Microstrip array antennas with spatial feed can be designed to act as curved mirrors and lenses by applying appropriate phase shifts. If the array acts on circular polarization, the phase shifts can be obtained by element rotation. Arrays of this type are analyzed and it is shown that the mirror or lens effect is different for each hand of incident circular polarization. This effect is demonstrated by a prototype array lens.
Keywords :
antenna feeds; electromagnetic wave polarisation; lenses; microstrip antenna arrays; mirrors; array lens; circular polarization selectivity; curved mirror; element rotation; microstrip array antenna; phase shift; space-fed array; spatial feed;
Conference_Titel :
Microwave Conference (EuMC), 2010 European
Conference_Location :
Paris
Print_ISBN :
978-1-4244-7232-1
