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Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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COMPACT ARTIFICIAL MAGNETIC CONDUCTOR DESIGNS USING PLANAR SQUARE SPIRAL GEOMETRIES

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

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Abstract:
Compact spiral artificial magnetic conductors (AMC) have been investigatedin this paper. First, single andd ouble spirals are examinedto achieve an in-phase reflection at a lower frequency comparedto 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.

Citation:
Y. Kim, F. Yang, and A. Z. Elsherbeni, "Compact artificial magnetic conductor designs using planar square spiral geometries," Progress In Electromagnetics Research, Vol. 77, 43-54, 2007.
doi:10.2528/PIER07072302
http://www.jpier.org/PIER/pier.php?paper=07072302

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