[EN] This letter presents a microwave planar lens illuminated by a radially corrugated horn antenna. The lens is formed by a set of 5x5 multilevel unit cells working as a frequency selective surface. Each layer of the unit ...
Moy-Li, Hon Ching; Sánchez-Escuderos, Daniel; Antonino Daviu, Eva; Ferrando Bataller, Miguel(Institute of Electrical and Electronics Engineers, 2017)
[EN] This letter proposes a low-profile horn antenna with radial corrugations. The depth and width of the corrugations are suitably chosen to excite the mode HE11 in the corrugated section. This mode spreads uniformly ...
Sánchez-Escuderos, Daniel; Moy-Li, Hon Ching; Antonino Daviu, Eva; Cabedo Fabrés, Marta; Ferrando Bataller, Miguel(Institute of Electrical and Electronics Engineers, 2017)
[EN] A multilevel Frequency Selective Surface (FSS) formed by a non-uniform distribution of circular holes on a metallic sheet is presented. The FSS is aimed at working as a planar lens to increase the gain of the feeding ...