NDLI: A Metamaterial Series-Fed Linear Dipole Array with Reduced Beam Squinting

Content Provider	IEEE Xplore Digital Library
Author	Antoniades, M.A. Eleftheriades, G.V.
Copyright Year	2006
Description	Author affiliation: Edward S. Rogers Sr. Dept. of Electr. & Comput. Eng., Toronto Univ., Ont. (Antoniades, M.A.; Eleftheriades, G.V.)
Abstract	The recent implementation of negative-refractive-index (NRI) media by periodically loading host transmission-lines (TL) with lumped-element series capacitors and shunt inductors has led to the development of numerous practical devices based on NRI-TL metamaterials (MTM). The MTM feed networks were shown to be useful in series-fed linear arrays for effectively replacing one-wavelength long conventional meandered transmission lines, thus achieving compact, broadside radiators, whose beam squints less with frequency. In addition, the MTM feed networks can be used to create linear arrays whose main beam remains virtually fixed at a negative angle from broadside as the frequency is varied. Alternatively, a single CPS MTM feedline operating inside the radiation cone can be used to implement a leaky-wave antenna (LWA), which can be recognized as the dual of the CPW line to create a backward LWA
Sponsorship	Motorola Air Force Office of Sci. Res. ANSOFT
Starting Page	4125
Ending Page	4128
File Size	266367
Page Count	4
File Format	PDF
ISBN	1424401232
DOI	10.1109/APS.2006.1711536
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Metamaterials Transmission lines Feeds Frequency Capacitors Shunt (electrical) Inductors Linear antenna arrays Leaky wave antennas Coplanar waveguides
Content Type	Text
Resource Type	Article

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