Title :
Evanescently Fed Electromagnetic Band-Gap Horn Antennas and Arrays
Author :
Khromova, Irina ; Ederra, Iñigo ; Teniente, Jorge ; Gonzalo, Ramón ; Esselle, Karu P.
Author_Institution :
Electr. & Electron. Eng. Dept., Univ. Publica de Navarra, Pamplona, Spain
fDate :
6/1/2012 12:00:00 AM
Abstract :
The design of a horn antenna based on electromagnetic band-gap structures (EBGs) and fed by evanescent fields in the containing periodic structure is presented. Such all-dielectric antennas can form compact arrays and provide a promising solution for millimeter, submillimeter, and terahertz (THz) devices. An evanescently fed EBG horn antenna design based on a woodpile structure and operating at frequencies around 110 GHz is presented, together with experimental and simulation results for an analogous scaled-up prototype antenna operating in the Ku-band. It exhibits a 9% bandwidth and an average level of maximum gain approximately equal to 14.6 dBi.
Keywords :
antenna arrays; antenna feeds; horn antennas; photonic band gap; submillimetre wave antennas; all-dielectric antennas; analogous scaled-up prototype antenna; evanescent fields; evanescently fed electromagnetic band gap; frequency 110 GHz; horn antennas; periodic structure; submillimetre wave antennas; woodpile structure; Antenna arrays; Antenna feeds; Horn antennas; Metamaterials; Periodic structures; Reflection; Array antenna; EBG material; electromagnetic band-gap (EBG) antenna; horn antenna; photonic crystal; submillimeter antenna; terahertz (THz) antenna;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2012.2194633
