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 ...