A DUAL BAND CIRCULARLY POLARIZED RING ANTENNA BASED ON COMPOSITE RIGHT AND LEFT HANDED METAMATERIALS | Zendy

Ang Yu | Zendy; Fan Yang | Zendy; Atef Z. Elsherbeni | Zendy

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A DUAL BAND CIRCULARLY POLARIZED RING ANTENNA BASED ON COMPOSITE RIGHT AND LEFT HANDED METAMATERIALS

Author(s) -

Ang Yu,

Fan Yang,

Atef Z. Elsherbeni

Publication year - 2007

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07082902

Subject(s) - metamaterial , left handed , multi band device , composite number , ring (chemistry) , dual (grammatical number) , antenna (radio) , physics , split ring resonator , optics , turnstile antenna , materials science , microstrip antenna , coaxial antenna , telecommunications , engineering , art , composite material , chemistry , literature , organic chemistry

In this paper a dual band circularly polarized antenna is designed, fabricated, and measured. Based on the concept of composite right and left handed (CRLH) metamaterials, the same phase constants and current distributions on the ring antenna are achieved at two frequency bands. Thus, the antenna has similar radiation patterns at both bands. The circular polarization is implemented by feeding two vertical ports from power dividers that provide equal magnitudes and quadrature phase excitations.

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