NDLI: Coplanar waveguide method for identifying the surface wave band-gap range of mushroom-like electromagnetic band-gap structure

Content Provider	IEEE Xplore Digital Library
Author	Zhengheng Mi Jiadong Xu Fuguo Zhu Gao Wei Chong Zhang
Copyright Year	2010
Description	Author affiliation: School of Electronics and Information, Northwestern Poly technical University, Xi'an, shaanxi Province, China (Zhengheng Mi; Jiadong Xu; Fuguo Zhu; Gao Wei; Chong Zhang)
Abstract	In this paper, coplanar waveguide (CPW) method is proposed for identifying the surface wave band-gap of mushroom-like EBG structure. Two lines are cut off from the complete ground plane of the EBG structure and the defected ground plane can be viewed as a coplanar waveguide with characteristic impedance of 50 Ohm. The other layer of the EBG structure is not changed. The surface wave band-gap range can be obtained from the transmission curve of CPW in two cases: EBG inserted and no EBG inserted. Furthermore, the electric field distribution within and beyond the stop-band are studied. And we also investigate the influence of EBG rows on the band-gap. The results extracted from CPW method agrees very weD with that of TEM waveguide model. Compared to the most used experimental method, suspended microstrip line method, the CPW method is a one-layer structure which leads to be low-cost, easy-made and more effective. Both simulated and experimental results verify the effectiveness of the CPW method. Therefore, the CPW method can be applied for identifying the surface wave band-gap of EBG structure much more effectively in engineering applications.
Starting Page	191
Ending Page	194
File Size	801025
Page Count	4
File Format	PDF
ISBN	9781424479696
e-ISBN	9781424479702
DOI	10.1109/PACCS.2010.5627067
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-01
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	surface wave band-gap coplanar waveguide suspended line method mushroom-like EBG Educational institutions Coplanar waveguides Antennas Photonics
Content Type	Text
Resource Type	Article

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