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A Cassegrain offset-fed dual-band reflectarray

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dc.contributor.author Huang, John
dc.contributor.author Han, Chulmin
dc.contributor.author Chang, Kai
dc.date.accessioned 2007-12-18
dc.date.available 2007-12-18
dc.date.issued 2006-07-09
dc.identifier.citation IEEE Antennas & Propagation Symposium, Albuquerque, New Mexico, July 9-14, 2006. en
dc.identifier.clearanceno 06-0004
dc.identifier.uri http://hdl.handle.net/2014/40593
dc.description.abstract An X/Ka dual-band microstrip reflectarray with circular polarization (CP) has been constructed using thin membranes and Cassegrain offset-fed configuration. It is believed that this is the first Cassegrain reflectarray ever been developed. This antenna has a 75-cm-diameter aperture and uses metallic subreflector and angular-rotated annular ring elements. It achieved a measured -3dB-gain bandwidth of 700 MHz at X-band and 1.5 GHz at Ka-band, as well as a CP bandwidth (3dB axial ratio) of more than 700 MHz at X-band and more than 2 GHz at Ka-band. The measured peak efficiencies are 49.8% at X-band and 48.2% at Ka-band. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 517973 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006. en
dc.subject antennas en
dc.subject reflectarray en
dc.subject dual-bands en
dc.subject Cassegrain en
dc.subject offset fed en
dc.title A Cassegrain offset-fed dual-band reflectarray en
dc.type Preprint en


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