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access icon free Folded reflectarray antenna with partial grid and director for high aperture efficiency

© The Institution of Engineering and Technology
Received 17/09/2018, Published 16/11/2018

In this Letter, a new polarising grid for a folded reflectarray is proposed to improve the aperture efficiency of the antenna. This polarising grid is designed using a partial grid and a director which can improve the antenna radiation characteristic. Consequently, the measured aperture efficiency of the proposed antenna with the new polarising grid is 60.49% at 77 GHz.

Inspec keywords: reflectarray antennas; electromagnetic wave polarisation; antenna radiation patterns

Other keywords: folded reflectarray antenna; frequency 77.0 GHz; high aperture efficiency; measured aperture efficiency; polarising grid; partial grid; antenna radiation characteristic

Subjects: Antenna arrays; Antenna theory; Electromagnetic wave propagation

References

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      • 2. Jeong, J.G., Yoon, Y.J., Kim, H.R.: ‘Optimal element arrangement of folded reflectarray for high aperture efficiency’. IEEE Int. Symp. on Antennas and Propagation, San Diego, USA, July 2017.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2018.7079
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