Finite planar- and curved-ring-element frequency-selective surfaces

Author

Savia, S.B. ; Parker, E.A. ; Philips, B.

Author_Institution

Dept. of Electr. Eng., The Univ., Canterbury, UK

Volume

146

Issue

6

fYear

1999

fDate

12/1/1999 12:00:00 AM

Firstpage

401

Lastpage

406

Abstract

An element-by-element approach to the modelling of arrays of finite size enables the elements to be located on arbitrary lattices, including those curved in more than one plane. An analysis for dual-polarised ring-patch elements is given. Planar and parabolic surfaces are used as examples, with the rings on circular and triangular lattices. They are illuminated by plane waves. The currents induced across the arrays are very dependent on element location as well as on frequency. The transmission performance of these curved frequency-selective surfaces is also discussed, including the effect on the current induced in an element located inside a paraboloidal dichroic enclosure

Keywords

electric current; electromagnetic induction; electromagnetic wave transmission; frequency selective surfaces; microstrip antenna arrays; FSS; circular lattice; curved-ring-element frequency-selective surfaces; dual-polarised ring-patch elements; element location; element-by-element approach; finite planar-element frequency-selective surfaces; finite size array modelling; frequency; induced currents; parabolic surfaces; paraboloidal dichroic enclosure; planar surfaces; plane wave illumination; transmission performance; triangular lattice;

fLanguage

English

Journal_Title

Microwaves, Antennas and Propagation, IEE Proceedings

Publisher

iet

ISSN

1350-2417

Type

jour

DOI

10.1049/ip-map:19990773

Filename

817549