Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/117761
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Type: Conference paper
Title: Terahertz focusing reflectarray with enhanced bandwidth
Author: You, X.
Fumeaux, C.
Withayachumnankul, W.
Citation: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, 2018, vol.2018-September
Publisher: IEEE
Issue Date: 2018
Series/Report no.: International Conference on Infrared Millimeter and Terahertz Waves
ISBN: 9781538638095
ISSN: 2162-2027
2162-2035
Conference Name: International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (9 Sep 2018 - 14 Sep 2018 : Nagoya, Japan)
Statement of
Responsibility: 
Xiaolong You, Christophe Fumeaux, and Withawat Withayachumnankul
Abstract: This paper presents a planar terahertz reflectarray that employs stub-loaded square patches on a grounded substrate for efficient beam focusing at 1 THz. The proposed patch element can achieve a nearly linear and smooth phase response at the operating frequency through variation of its stub length. This feature is of great importance to the bandwidth performance of a reflectarray made of such elements. By the principle of reciprocity, the designed focusing device can also function as a collimator. The numerical results confirm the focusing capability of the designed reflectarray with a 3-dB bandwidth of 0.23 THz at 1 THz. This design can achieve over twice the operation bandwidth compared with existing designs.
Rights: © 2018 IEEE
DOI: 10.1109/IRMMW-THz.2018.8510345
Grant ID: http://purl.org/au-research/grants/arc/DP170101922
http://purl.org/au-research/grants/arc/DP180103561
Appears in Collections:Aurora harvest 3
Electrical and Electronic Engineering publications

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