NDLI: Dispersion Characteristics Analysis of One Dimensional Multiple Periodic Structures and Their Applications to Antennas

Content Provider	IEEE Xplore Digital Library
Author	Zi Long Ma Li Jun Jiang Gupta, S. Sha, W.E.I.
Copyright Year	1963
Abstract	This paper proposes a general characterization of one dimensional multiple periodic (MP) structures for electromagnetic transmission and radiation. Studies are conducted from three aspects: Firstly, the dispersion relations of non-dispersive (conventional) and dispersive (composite right/left-handed (CRLH)) materials are analyzed. Regarding each category of materials, detailed analyses for distributed layered media and lumped circuits are presented. Through studies, we found that the periodicity increase opens up multiple stopbands. According to our physical explanations and numerical results, the relation between stopbands and periodicity is clarified. Additionally, the periodicity increase also reduces the separation distance of space harmonic modes along the phase constant axis in the dispersion diagram. Thus, more space harmonic modes are excited in the radiation. This phenomenon results in simultaneous right- and left-handed radiation and multiple radiation beams. Secondly, mathematical formulas for the general dispersion relation and the general Bragg condition of the MP structures are derived. The formulas help to indicate the locations of stopbands and engineer the dispersion relation. Thirdly, applications of the MP structures to phase reversal (PR) antennas are presented. Both transmission and radiation characteristics of the MP structures are validated by the PR antennas experimentally. Single, double and triple periodic structures are comparatively studied.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	113
Ending Page	121
Page Count	9
File Size	2446189
File Format	PDF
ISSN	0018926X
Volume Number	63
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dispersion Periodic structures Harmonic analysis Antennas Nonhomogeneous media phase reversal antenna Dispersion analysis dispersive structure leaky-wave antenna multi-beam radiation multiple periodic structure non-dispersive structure
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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