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Broadband reflectarray antenna with double cross loops

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4 Author(s)
M. R. Chaharmir ; Commun. Res. Centre Canada, Ottawa, Ont., Canada ; J. Shaker ; M. Cuhaci ; A. Ittipiboon

A reflectarray antenna composed of double crossed loops of variable lengths printed on a conductor backed substrate is introduced. Using this technique, a single-layer reflectarray with wider bandwidth compared to conventional single-layer reflectarrays is fabricated and measured. Measured results demonstrate a radiation efficiency close to 55% and 1 dB gain-bandwidth of 10%, centred at 22 GHz.

Published in:

Electronics Letters  (Volume:42 ,  Issue: 2 )