Design of a broadband dual circularly polarized square slot antenna | Zendy

Zhao G. | Zendy; Chen L.N. | Zendy; Jiao Y.C. | Zendy

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Design of a broadband dual circularly polarized square slot antenna

Author(s) -

Zhao G.,

Chen L.N.,

Jiao Y.C.

Publication year - 2008

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.23741

Subject(s) - broadband , circular polarization , slot antenna , square (algebra) , microwave , strips , optics , microstrip antenna , axial ratio , turnstile antenna , multi band device , physics , bandwidth (computing) , electrical engineering , patch antenna , engineering , microstrip , antenna (radio) , telecommunications , materials science , mathematics , geometry , composite material

In this article, a new design of a broadband dual circularly polarized square slot antenna loaded with metallic strips is presented. The proposed dual circular polarization (CP) radiations are achieved by loading the square slot with a T‐shaped strip and two microstrip T‐junctions. The designed antenna is implemented and measured. The experimental results show that the proposed antenna has good dual CP characteristics and a 3‐dB axial ratio bandwidth is more than 19%. The isolation between two ports is better than 20 dB within the CP operating band. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2639–2642, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23741

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