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Content Provider | IEEE Xplore Digital Library |
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Author | Navarro-Tapia, M. Camacho-Peñalosa, C. Esteban, J. |
Copyright Year | 2011 |
Description | Author affiliation: Departamento de Ingeniería de Comunicaciones, E.T.S.I. Telecomunicación, Universidad de Málaga, E-29071 Málaga, Spain (Navarro-Tapia, M.; Camacho-Peñalosa, C.) || Departamento de Electromagnetismo y Teoría de Circuitos, E.T.S.I. Telecomunicación, Universidad Politécnica de Madrid, E-28040 Madrid, Spain (Esteban, J.) |
Abstract | The spread of metamaterial concepts has lead to the appearance of waveguides with a composite right/left-handed (CRLH) behavior, i.e., supporting both forward and backward waves, together with a zero-phase-constant wave. The use of this kind of waveguide as feeding structures gives rise to a new generation of slot array antennas, which exhibits new radiation capabilities, such as backward-to-forward beam steering. Although this new feature has been widely proven on simple prototypes-like the long-slot leaky-wave antenna-, it has not yet been explored with more-complex slot arrays. The object of this paper is to examine the scanning performance offered by a slot array antenna on a CRLH waveguide. A six-slot array has been designed, constructed and measured. Some brief guidelines to tackle the design are given. The far-field simulations are in good agreement with measurements, confirming not only the new radiation possibilities offered, but also the the validity of the design procedure used. |
Starting Page | 575 |
Ending Page | 578 |
File Size | 408128 |
Page Count | 4 |
File Format | |
ISBN | 9781612842356 |
e-ISBN | 9782874870224 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2011-10-10 |
Publisher Place | United Kingdom |
Access Restriction | Subscribed |
Rights Holder | EUROPEAN MICROWAVE ASSOC |
Subject Keyword | Slot antennas Arrays Admittance Prototypes Antenna measurements Antenna arrays Electromagnetic waveguides traveling wave antennas Composite right/left-handed (CRLH) corrugated waveguides metamaterials slot arrays |
Content Type | Text |
Resource Type | Article |
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