Multilayer Offset Fresnel Zone Plate Reflector

Y. J. Guo, I. H. Sassi, S. K. Barton

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

An offset phase-correcting Fresnel zone plate (FZP) reflector antenna based on the multilayer configuration is presented. The reflector consists of a conducting ground and four layers of conducting patterns separated by four dielectric substrates. An experimental prototype designed at 10.39 GHz was fabricated and tested. With a 0.32 m by 0.34 m elliptical reflector aperture and a pyramidal feedhorn, the antenna achieved –20-dB sidelobe level and 61% maximum efficiency. Compared with a phase reversal FZP of the same size, a 3.3-dB gain improvement and significant sidelobe reduction were obtained.

Original languageEnglish
Pages (from-to)196-198
Number of pages3
JournalIEEE Microwave and Guided Wave Letters
Volume4
Issue number6
DOIs
Publication statusPublished - 1994
Externally publishedYes

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