Compact artificial magnetic conductor designs using planar square spiral geometries

Y. Kim, F. Yang, A. Z. Elsherbeni

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

Compact spiral artificial magnetic conductors (AMC) have been investigated in this paper. First, single and double spirals are examined to achieve an in-phase reflection at a lower frequency compared to a conventional patch element of the same size. However, these two designs generate a large cross polarization. The cross polarization affects the operating frequency and bandwidth. In order to eliminate the cross polarization effect, a four-arm spiral element is introduced. This geometry does not generate a cross polarization, and an operating frequency that is 49.45% lower than the reference patch element has been achieved.

Original languageEnglish
Pages (from-to)43-54
Number of pages12
JournalProgress in Electromagnetics Research
Volume77
DOIs
StatePublished - 2007

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