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https://hdl.handle.net/2440/134636
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Type: | Journal article |
Title: | Tutorial on broadband transmissive metasurfaces for wavefront and polarization control of terahertz waves |
Author: | You, X. Fumeaux, C. Withayachumnankul, W. |
Citation: | Journal of Applied Physics, 2022; 131(6) |
Publisher: | AIP Publishing |
Issue Date: | 2022 |
ISSN: | 0021-8979 1089-7550 |
Statement of Responsibility: | Xiaolong You, Christophe Fumeaux, and Withawat Withayachumnankul |
Abstract: | In order to harness the capabilities of terahertz waves, various metasurface-based functional devices have been developed recently. However, due to the limited usage of systematic optimization methodologies, many existing designs leave room for further bandwidth and efficiency improvement. This article provides an overview on the bandwidth limiting factors associated with metasurfaces and gives a tutorial on a semi-analytical approach to broadband design. The broadband approach incorporates network analysis and genetic algorithm to determine the frequency-independent optimal circuit parameters for multi-layer transmissive metasurfaces, so that targeted complex transmission coefficients can be achieved over a wide bandwidth. The broadband design approach is enabling the configuration and optimization of diverse metasurfaces for wavefront and polarization control of terahertz waves, including quarter- and half-waveplates. |
Keywords: | Waves |
Rights: | Published under an exclusive license by AIP Publishing |
DOI: | 10.1063/5.0077652 |
Grant ID: | http://purl.org/au-research/grants/arc/DP170101922 |
Published version: | http://dx.doi.org/10.1063/5.0077652 |
Appears in Collections: | Electrical and Electronic Engineering publications |
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