Origami metamaterials for ultra-wideband and large-depth reflection modulation

Zicheng Song, Juan-Feng Zhu, Xianchao Wang, Ruicong Zhang, Pingping Min, Wenxin Cao, Yurong He, Jiecai Han, Tianyu Wang (), Jiaqi Zhu (), Lin Wu () and Cheng-Wei Qiu ()
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Zicheng Song: Harbin Institute of Technology
Juan-Feng Zhu: Singapore University of Technology and Design (SUTD)
Xianchao Wang: Harbin Institute of Technology
Ruicong Zhang: Harbin Institute of Technology
Pingping Min: Harbin Institute of Technology
Wenxin Cao: Harbin Institute of Technology
Yurong He: Harbin Institute of Technology
Jiecai Han: Harbin Institute of Technology
Tianyu Wang: Harbin Institute of Technology
Jiaqi Zhu: Harbin Institute of Technology
Lin Wu: Singapore University of Technology and Design (SUTD)
Cheng-Wei Qiu: National University of Singapore

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract The dynamic control of electromagnetic waves is a persistent pursuit in modern industrial development. The state-of-the-art dynamic devices suffer from limitations such as narrow bandwidth, limited modulation range, and expensive features. To address these issues, we fuse origami techniques with metamaterial design to achieve ultra-wideband and large-depth reflection modulation. Through a folding process, our proposed metamaterial achieves over 10-dB modulation depth over 4.96 – 38.8 GHz, with a fractional bandwidth of 155% and tolerance to incident angles and polarizations. Its ultra-wideband and large-depth reflection modulation performance is verified through experiments and analyzed through multipole decomposition theory. To enhance its practical applicability, transparent conductive films are introduced to the metamaterial, achieving high optical transparency (>87%) from visible to near-infrared light while maintaining cost-effectiveness. Benefiting from lightweight, foldability, and low-cost properties, our design shows promise for extensive satellite communication and optical window mobile communication management.

Date: 2024
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DOI: 10.1038/s41467-024-46907-3

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