Open planar structures including wire-medium slabs with vertically aligned wires are studied by means of a transverse equivalent network representation of the relevant homogenized structure. Modal properties are thereby retrieved via transverse resonance, whilst far-field patterns generated by elementary sources are calculated via reciprocity. The use of wire-medium layers to suppress radiation due to TEM and TM2 leaky modes in a Fabry-Perot cavity antenna excited by a vertical electric dipole is demonstrated, thus obtaining wideband leakywave radiation from the TM1 leaky mode in the form of a linearly polarized conical pattern with wide angular scan range.
Comite, D., Burghignoli, P., Baccarelli, P., Galli, A. (2015). Wideband leaky-wave radiation from wire-medium loaded Fabry-Perot cavity antennas. In 2015 IEEE AP-S International Symposium on Antennas and Propagation.
Wideband leaky-wave radiation from wire-medium loaded Fabry-Perot cavity antennas
BACCARELLI, PAOLO;
2015-01-01
Abstract
Open planar structures including wire-medium slabs with vertically aligned wires are studied by means of a transverse equivalent network representation of the relevant homogenized structure. Modal properties are thereby retrieved via transverse resonance, whilst far-field patterns generated by elementary sources are calculated via reciprocity. The use of wire-medium layers to suppress radiation due to TEM and TM2 leaky modes in a Fabry-Perot cavity antenna excited by a vertical electric dipole is demonstrated, thus obtaining wideband leakywave radiation from the TM1 leaky mode in the form of a linearly polarized conical pattern with wide angular scan range.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
