Title :
Complex modes in periodic transmission lines based on split rings
Author :
Naqui, Jordi ; Duran-Sindreu, Miguel ; Martin, F. ; Fernandez-Prieto, Armando ; Mesa, Francisco ; Medina, Francisco
Author_Institution :
Dept. d´Eng. Electron., Univ. Autonoma de Barcelona, Bellaterra, Spain
Abstract :
This paper is focused on the analysis of the propagation characteristics of periodic structures consisting of a host line loaded with split ring resonators (SRRs). It is well known that these structures exhibit stop band functionality in the vicinity of the resonance frequency of the SRRs, and propagation is forward in the transmission bands. However, by enhancing inter-resonators´ coupling the forbidden band widens and this enhancement can be interpreted as due to the presence of complex modes. This has been demonstrated through Bloch mode analysis of the multiport equivalent circuit model of the unit cell.
Keywords :
resonators; transmission lines; wave propagation; Bloch mode analysis; complex modes; forbidden band; host line; inter-resonator coupling; multiport equivalent circuit model; periodic structures; periodic transmission lines; propagation characteristics; resonance frequency; split ring resonators; split rings; stop band functionality; transmission bands; Couplings; Dispersion; Equivalent circuits; Integrated circuit modeling; Load modeling; Optical ring resonators; Resonant frequency;
Conference_Titel :
Electromagnetics in Advanced Applications (ICEAA), 2013 International Conference on
Conference_Location :
Torino
Print_ISBN :
978-1-4673-5705-0
DOI :
10.1109/ICEAA.2013.6632360
