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Design of a K‐band reflectarray antenna using double square ring elements
Author(s) -
Ma Bing,
Xia Mingyao,
Yan Lubin
Publication year - 2012
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.26535
Subject(s) - ground plane , microwave , square (algebra) , bandwidth (computing) , center frequency , optics , s band , frequency band , ring (chemistry) , c band , antenna (radio) , engineering , electrical engineering , physics , telecommunications , geometry , band pass filter , mathematics , chemistry , organic chemistry
Design of a K‐band reflectarray antenna using 15 × 15 double square ring elements printed on a single substrate and backed by a ground plane separated by an air layer is proposed. The double square ring element supplies a 530° dynamic range of the reflection phase variation, and the phasing curves are nearly linear. A prototype is manufactured and tested, and good agreements between simulation and measurement are demonstrated. The measured gain is about 23 dBi at the center frequency 24 GHz, and the 1‐dB gain bandwidth is about 20%. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 54:394–398, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26535