Title :
High-gain characteristics of a slightly flared dielectric tube antenna
Author :
Yamauchi, Junji ; Sato, Hiroki ; Nakano, Hisamatsu
Author_Institution :
Fac. of Sci. & Eng., Hosei Univ., Koganei, Japan
Abstract :
A dielectric tube antenna fed by a waveguide-excited dielectric sphere is analyzed using the body-of-revolution FDTD method. To obtain a high gain, the tube is slightly flared. It is found that the flared configuration achieves a gain of approximately 23 dBi at 12 GHz, which is higher than that of a uniform configuration.
Keywords :
antenna feeds; dielectric materials; finite difference time-domain analysis; microwave antennas; waveguides; body-of-revolution FDTD method; finite difference time-domain analysis; frequency 12 GHz; high-gain characteristics; slightly-flared dielectric tube antenna; waveguide-excited dielectric sphere feed;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
978-1-4673-0461-0
DOI :
10.1109/APS.2012.6349318
