Title :
A dielectric rod antenna as a high efficiency feed for reflector antennas
Author :
Ittipiboon, A. ; Shafai, L. ; Bridges, E.
Author_Institution :
Dept. of Electrical Engng., Univ. of Manitoba, Winnipeg, Man., Canada
Abstract :
Radiation characteristics of a short dielectric rod antenna excited by a circular waveguide is investigated experimentally. It is found that, by a proper selection of the waveguide radius and the exposed length of dielectric rod, the E and H plane radiation patterns, the side and back radiations and the bandwidth of the antenna can be controlled. Some experimental data are presented and the usefulness of this antenna as a feed for paraboloidal reflectors is also discussed.
Keywords :
antenna feeders; antenna radiation patterns; circular waveguides; dielectric-loaded antennas; reflector antennas; E plane; H plane; circular waveguide; dielectric rod antenna; high efficiency feed; radiation characteristics; reflector antennas; Antenna feeds; Antenna radiation patterns; Dielectrics; Microwave antennas; Reflector antennas;
Journal_Title :
Electrical Engineering Journal, Canadian
DOI :
10.1109/CEEJ.1981.6593915
