Finite-difference time-domain analysis of a rectangular dielectric-resonator antenna

K. P. Esselle*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A rectangular dielectric-resonator antenna, fed by a microstripline through an aperture, is analysed using the finite-difference time-domain method. The antenna operates in the TE1δ1 mode and radiates like a magnetic dipole. The electric and magnetic fields in and around the antenna are presented for various time steps. The radiated far-field waveforms are calculated in several directions, by applying the field equivalence principle directly in the time-domain. The frequency-domain far-field patterns are presented at the resonant frequency. They are similar to the far-field patterns of an elemental magnetic dipole, and compare well with previously measured far-field patterns of a rectangular dielectric-resonator antenna.

Original languageEnglish
Pages (from-to)63-70
Number of pages8
JournalJournal of Electrical and Electronics Engineering, Australia
Issue number1
Publication statusPublished - Mar 1995

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