Title :
Advances in conformal antennas based on high impedance and EBG metamaterial surfaces
Author :
Palikaras, George K. ; Feresidis, Alexandros P. ; Parini, Clive G.
Author_Institution :
Sch. of Electron. Eng. & Comput. Sci., Queen Mary Univ. of London, London, UK
Abstract :
The ability of novel and emergent high impedance conformal metamaterial surfaces to reduce the diameter of cylindrical microwave antennas while improving antenna operating performance characteristics will be experimentally explored for various structures. A full-wave analysis has been applied to an infinitely long cylindrical cavity that provides physical insight in the HIS/EBG coexisting operation. The proposed structures include resonant-cavity type antennas, of different profile thickness: λ/2, λ/4 and λ/6 operating around 2.3GHz.
Keywords :
UHF antennas; cavity resonators; conformal antennas; metamaterial antennas; microwave antennas; photonic band gap; EBG metamaterial surface; HIS-EBG coexisting operation; conformal antenna; cylindrical cavity; cylindrical microwave antenna; frequency 2.3 GHz; full-wave analysis; high impedance conformal metamaterial surface; resonant-cavity type antenna; Antenna measurements; Dipole antennas; Directive antennas; Metamaterials; Periodic structures; Surface impedance;
Conference_Titel :
Antenna Technology (iWAT), 2011 International Workshop on
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-9133-9
DOI :
10.1109/IWAT.2011.5752380
