Title :
A unified approach to the characterization of frequency and polarization selective surfaces
Author_Institution :
F.P.M. Space S.R.L., Rivoli, Italy
fDate :
June 28 1993-July 2 1993
Abstract :
A unified theoretical model describing frequency (and/or polarization) selective surfaces (FSS) is presented and discussed. Analysis of mixed multigrid structures, with both capacitive and inductive grids,is carried on by solving a global matrix system, without any limitations on the distance between the grids. Very complex structures can be analyzed by collapsing several grids together and by taking into account the metal thickness in the inductive grids. The problem of periodically holing the elements of both kinds of grids is handled in terms of equivalent modal circuits. Analysis and measurements relevant to a double ring structure are provided. An experimental validation of the theory has been performed by a measurement on a waveguide sample.<>
Keywords :
S-matrix theory; equivalent circuits; frequency selective surfaces; capacitive grids; double ring structure; equivalent modal circuits; frequency selective surfaces; global matrix system; holing; inductive grids; metal thickness; mixed multigrid structures; polarization selective surfaces; unified theoretical model; waveguide sample; Antenna measurements; Circuit analysis; Frequency measurement; Frequency selective surfaces; Gratings; Magnetic circuits; Polarization; Scattering; Shape; Voltage;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1993. AP-S. Digest
Conference_Location :
Ann Arbor, MI, USA
Print_ISBN :
0-7803-1246-5
DOI :
10.1109/APS.1993.385592
