Printed-circuit leaky-wave antenna with pointing and illumination flexibility
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Research GroupGrupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)
Knowledge AreaTeoría de la Señal y las Comunicaciones
SponsorsThis work was supported by Spanish National Projects ESP2001-4546-PE, TEC2004-04313-C0202-TCM, Regional Seneca Project 2002 PB/4/FS/02, and the EPSON-Ibérica Foundation.
PublisherIEEE Antennas and Propagation Society
Bibliographic CitationGÓMEZ TORNERO, José Luis, CAÑETE REBENAQUE, David, ÁLVAREZ MELCÓN, Alejandro. Printed-Circuit Leaky-Wave Antenna With Pointing and Illumination Flexibility. IEEE Transactions on Antennas and Propagation, 33 (8): 2563-2577, Agosto 2005. ISSN 0018-926X
KeywordsAntena de onda milimétrica
Leaky wave antenna
Millimeter wave antenna
A novel leaky-wave antenna, based on a periodic set of slots printed on a rectangular dielectric waveguide is conceived in this work. The antenna presents the ability to independently control the aperture illumination and the pointing direction, by only modifying the photoetched printed-circuit layout. The working mechanism is described using a leaky-mode dispersion analysis, and cosine-tapered designs are performed at 50 GHz. The radiation patterns are obtained using HFSS analysis to check the reduction of sidelobes levels, and the capacity to tune the pointing direction over a wide range of elevation angles.
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