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Wideband Transmitarray With Reduced Profile

Luo, Qi, Gao, Steven, Sobhy, Mohammed, Yang, Xuexia (2018) Wideband Transmitarray With Reduced Profile. IEEE Antennas and Wireless Propagation Letters, 17 (3). pp. 450-453. ISSN 1536-1225. (doi:10.1109/LAWP.2018.2794605) (KAR id:66321)

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This letter presents a wideband transmitarray (TA) with reduced profile. A novel unit cell based on a wideband bandpass filter is developed and applied to the design of the TA. The TA consists of two identical tri-layer frequency selective surfaces (FSS), thus it has a lower profile compared to traditional designs which use at least four FSS layers separated by quarterwavelength air gaps to obtain the 360o phase shift range. The FSS has a pair of square patches printed on the top and bottom

developed to better understand the operating principles of the FSS. To validate the design concept, one prototype operating at 13.5 GHz is designed, fabricated and measured. The measurement results show that the designed TA achieves 16% 1-dB gain bandwidth and 60% aperture efficiency. The developed unit cell has symmetric configurations so it can also be applied to the design of dual-polarized or circularly polarized TAs.

Item Type: Article
DOI/Identification number: 10.1109/LAWP.2018.2794605
Uncontrolled keywords: wideband, transmitarray, low profile, frequency selective surface
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Steven Gao
Date Deposited: 08 Mar 2018 16:24 UTC
Last Modified: 16 Feb 2021 13:53 UTC
Resource URI: (The current URI for this page, for reference purposes)
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