Radiation characteristics of an aperture-coupled hemispherical dielectric resonator antenna

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Detail(s)

Original languageEnglish
Pages (from-to)677-679
Journal / PublicationMicrowave and Optical Technology Letters
Volume7
Issue number14
Publication statusPublished - 5 Oct 1994

Abstract

The radiation characteristics of an aperture-coupled hemispherical dielectric resonator (DR) antenna excited at the broadside TE111 mode is investigated both theoretically and experimentally. The Green's functions of the DR antenna are presented for the evaluation of fields in the upper-half plane, and the stationary phase technique is used for the back-lobe radiation. The effect of the slot length on the radiation is studied, and the cross-polarized fields of the antenna are discussed.