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Title: Liquid-metal-based metasurface for terahertz absorption material: Frequency-agile and wide-angle
Authors: Song, Qing Hua
Zhu, W. M.
Wu, P. C.
Zhang, Wu
Wu, Q. Y. S.
Teng, J. H.
Shen, Zhongxiang
Chong, P. H. J.
Liang, Q. X.
Yang, Z. C.
Tsai, D. P.
Bourouina, T.
Leprince-Wang, Y.
Liu, Ai Qun
Keywords: Magnetic resonance
Liquid metals
Issue Date: 2017
Source: Song, Q. H., Zhu, W. M., Wu, P. C., Zhang, W., Wu, Q. Y. S., Teng, J. H., et al. (2017). Liquid-metal-based metasurface for terahertz absorption material: Frequency-agile and wide-angle. APL Materials, 5(6), 066103-.
Series/Report no.: APL Materials
Abstract: Terahertz metasurface absorption materials, which absorb terahertz wave through subwavelength artificial structures, play a key role in terahertz wave shielding and stealth technology, etc. However, most of the metasurface absorption materials in terahertz suffer from limited tuning range and narrow incident angle characteristics. Here, we demonstrate a liquid-metal-based metasurface through microfluidic technology, which functions as a terahertz absorption material with broadband tunability and wide-angle features. The proposed terahertz metasurface absorption material exhibits an experimental tuning range from 0.246 THz to 0.415 THz (the tuning range of central frequency reaches 51.1%), and the tuning range maintains at high level with wide-angle response up to 60°.
ISSN: 2166-532X
DOI: 10.1063/1.4985288
Schools: School of Electrical and Electronic Engineering 
Rights: © 2017 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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