Reflectarray element using interdigital gap loading structure

J. F. Li, Qiang Chen, Q. W. Yuan, Kunio Sawaya

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A novel reflectarray element using an interdigital gap loading structure is proposed. A wide reflection phase range of more than 1000° is obtained, which can support a sufficient phase range for a large scattering angle (up to 60°) reflectarray. Furthermore, this element has a feature of equal element size because the reflection phase is adjusted by controlling the finger length of the interdigital gap. Thus, abrupt geometry variations for consecutive cells in the traditional reflectarray can be avoided. A Ku-band reflectarray has been fabricated and measured results show good agreement with simulation.

Original languageEnglish
Pages (from-to)83-85
Number of pages3
JournalElectronics Letters
Volume47
Issue number2
DOIs
Publication statusPublished - 2011 Jan 20

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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