DocumentCode :
1766788
Title :
Chiral-field microwave antennas Chiral microwave near fields for far-field radiation
Author :
Kamenetskii, E.O. ; Berezin, M. ; Shavit, R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel
fYear :
2014
fDate :
6-9 Oct. 2014
Firstpage :
865
Lastpage :
868
Abstract :
In a single-element structure we obtain a radiation pattern with a squint due to chiral microwave near fields originated from a magnetostatic-mode ferrite disk. At the magnetostatic resonances, one has strong subwavelength localization of energy of microwave radiation. Magnetostatic oscillations in a thin ferrite disk are characterized by unique topological properties: the Poynting-vector vortices and the field helicity. The chiral-topology near fields allow obtaining unique phase structure distribution for far-field microwave radiation.
Keywords :
chirality; ferrite devices; magnetostatics; microwave antennas; Poynting vector vortices; chiral field microwave antenna; chiral microwave near field; chiral topology; far field radiation; field helicity; magnetostatic mode ferrite disk; magnetostatic oscillations; magnetostatic resonance; microwave radiation; single element structure; thin ferrite disk; Antenna radiation patterns; Ferrites; Magnetic resonance; Magnetostatics; Microwave oscillators; Propagation; antennas; chiral fields; ferrites; magnetostatic resonances; subwavelength energy localization;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Microwave Conference (EuMC), 2014 44th European
Conference_Location :
Rome
Type :
conf
DOI :
10.1109/EuMC.2014.6986572
Filename :
6986572
Link To Document :
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