Analysis of hemispherical dielectric resonator antenna
Article first published online: 7 DEC 2012
Copyright 1993 by the American Geophysical Union.
Volume 28, Issue 6, pages 1211–1218, November-December 1993
How to Cite
1993), Analysis of hemispherical dielectric resonator antenna, Radio Sci., 28(6), 1211–1218, doi:10.1029/93RS00945., , , and (
- Issue published online: 7 DEC 2012
- Article first published online: 7 DEC 2012
- Manuscript Accepted: 29 MAR 1993
- Manuscript Received: 7 DEC 1992
This paper describes the analysis of a hemispherical dielectric resonator antenna fed by a coaxial probe. The electric field Green's function of a vertical point current located inside the dielectric hemisphere is derived by mode matching technique. Delta gap source excitation model is employed. The input impedance of the antenna is calculated using a variational formula. Both the broadside TE111 mode (the lowest-order transverse electric mode) and the end-fire TM101 mode (the lowest-order transverse magnetic mode) are considered. Numerical calculations and experimental results validating the theory are shown. The variation of input resistance with dielectric constant of the antenna is studied.