COMPACT ARTIFICIAL MAGNETIC CONDUCTOR DESIGNS USING PLANAR SQUARE SPIRAL GEOMETRIES | Zendy

Yanghyo Kim | Zendy; Fan Yang | Zendy; Atef Z. Elsherbeni | Zendy

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COMPACT ARTIFICIAL MAGNETIC CONDUCTOR DESIGNS USING PLANAR SQUARE SPIRAL GEOMETRIES

Author(s) -

Yanghyo Kim,

Fan Yang,

Atef Z. Elsherbeni

Publication year - 2007

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07072302

Subject(s) - conductor , planar , spiral (railway) , square (algebra) , geometry , materials science , physics , engineering , mechanical engineering , computer science , mathematics , computer graphics (images)

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.

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