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Novel reflector-backed Fresnel zone plate antenna

✍ Scribed by S. M. Stout-Grandy; A. Petosa; I. V. Minin; O. V. Minin; J. S. Wight

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 244 KB
Volume: 49
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.22946

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✦ Synopsis

Abstract

A novel reflector‐backed Fresnel zone plate antenna (FZPA) is presented. The reflector is positioned at the aperture of the feed antenna such that the radiation that was reflected back off the metal zones of the FZPA gets reradiated instead of being lost. This structure enhances the directivity of the FZPA by about 1 dB and also improves the sidelobes and aperture efficiency. The other benefit of the structure is that it enables a significant reduction in the volume of the FZPA. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 3096–3098, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22946

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