CLC number:
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2023-03-16
Cited: 0
Clicked: 1581
Citations: Bibtex RefMan EndNote GB/T7714
Liangjie QIU, Xiuping LI, Zihang QI, Wenyu ZHAO, Yuhan HUANG. Wideband circular-polarized transmitarray for generating a high-purity vortex beam[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(6): 927-934.
@article{title="Wideband circular-polarized transmitarray for generating a high-purity vortex beam",
author="Liangjie QIU, Xiuping LI, Zihang QI, Wenyu ZHAO, Yuhan HUANG",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="24",
number="6",
pages="927-934",
year="2023",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2200539"
}
%0 Journal Article
%T Wideband circular-polarized transmitarray for generating a high-purity vortex beam
%A Liangjie QIU
%A Xiuping LI
%A Zihang QI
%A Wenyu ZHAO
%A Yuhan HUANG
%J Frontiers of Information Technology & Electronic Engineering
%V 24
%N 6
%P 927-934
%@ 2095-9184
%D 2023
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2200539
TY - JOUR
T1 - Wideband circular-polarized transmitarray for generating a high-purity vortex beam
A1 - Liangjie QIU
A1 - Xiuping LI
A1 - Zihang QI
A1 - Wenyu ZHAO
A1 - Yuhan HUANG
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 24
IS - 6
SP - 927
EP - 934
%@ 2095-9184
Y1 - 2023
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2200539
Abstract: In this correspondence, a wideband circular-polarized (CP) transmitarray (TA) in the Ka-band is presented for generating a high-purity vortex beam. The proposed element is composed of two identical combinations separated by an air layer. The subwavelength structure and double-resonance characteristics ensure the stable phase shift of the element within the 1-dB transmission bandwidth of 28.4%. A square aperture TA fed by a horn antenna is fabricated and measured. Owing to the honeycomb arrangement of elements, the mode purity of l=−1 is >0.93 in a wide band from 28.5 to 38 GHz. The measured peak gain is 22.3 dBic, and the 3-dB axial ratio bandwidth is 27.6%. The performance of the proposed antenna demonstrates its potential for high-capacity wireless communication and high-quality radar imaging.
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