A single-layer low-cost reflectarray antenna using dual-resonant element approach

Ting Liu; Lin Zhang; Jialiang Wu; Jing Zhao; Zhiguo Zeng

doi:10.1515/freq-2020-0200

Article

A single-layer low-cost reflectarray antenna using dual-resonant element approach

Ting Liu , Lin Zhang , Jialiang Wu , Jing Zhao and Zhiguo Zeng

Published/Copyright: June 14, 2021

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From the journal Frequenz Volume 75 Issue 9-10

Abstract

A single-layer wideband high efficiency reflectarray in Ku-band has been presented in this paper. A novel dual-resonant patch element approach has been analyzed and optimized to obtain good radiation performances within the operating frequency band. The phase shift range of 573° can be obtained with less steep linear phase shift curve. To compensate the differential spatial phase delays from the feed to the elements, the variable size technique has been utilized for obtaining required phase shifts. The reflectarray aperture has been designed, manufactured and measured. Measured results are in good agreement with the simulated ones. The measured gain of the reflectarray aperture at center frequency can reach 27.2 dBi, which is equivalent to aperture efficiency of 51.3%, and the 1-dB gain bandwidth of the aperture is 18.4%.

Keywords: antenna; dual-resonant; low-cost; reflectarray; single-layer

Corresponding author: Lin Zhang, Air and Missile Defense College, Air Force Engineering University, Xi’an, Shaanxi, China, E-mail: zhanglin9232@126.com

Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2020-11-14

Accepted: 2021-05-31

Published Online: 2021-06-14

Published in Print: 2021-10-26

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Articles in the same Issue

https://doi.org/10.1515/freq-2020-0200

Keywords for this article

antenna; dual-resonant; low-cost; reflectarray; single-layer