Highly directive ISM band cavity antenna using a bi-layered metasurface reflector

The design of a highly directive metamaterial‐based cavity antenna for a 2.46 GHz application is reported. The proposed structure is evolved from a Fabry‐Perot (FP) cavity with a patch antenna acting as the feed and four metallic walls on the lateral sides. One of the two reflectors is the antenna&#...

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Bibliographic Details
Published in:Microwave and optical technology letters 2009-06, Vol.51 (6), p.1393-1396
Main Authors: Burokur, Shah Nawaz, Ourir, Abdelwaheb, Daniel, Jean-Pierre, Ratajczak, Philippe, de Lustrac, André
Format: Article
Language:English
Subjects:
Engineering Sciences
Fabry-Perot (FP) cavity
highly directive
metamaterials
microstrip patch antenna
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Summary:The design of a highly directive metamaterial‐based cavity antenna for a 2.46 GHz application is reported. The proposed structure is evolved from a Fabry‐Perot (FP) cavity with a patch antenna acting as the feed and four metallic walls on the lateral sides. One of the two reflectors is the antenna's ground plane and the other is made from a bilayered metamaterial‐based partially reflecting surface (PRS) constituted by a capacitive and an inductive grid. Calculations together with experimental results obtained from the fabricated prototype are presented. The results show a high directivity and low levels for the secondary lobes compared to a 2 × 2 patch antenna array. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1393–1396, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24391
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.24391