期刊
APPLIED PHYSICS LETTERS
卷 106, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4914032
关键词
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资金
- Polish Ministry of Sciences and Higher Education [POIG.01.03.01-14-016/08]
- National Science Center [2012/07/N/ST8/03284]
- Foundation for Polish Science
We present an electrically tunable metamaterial device consisting of a periodic array of crossed elements embedded in nematic liquid crystal. Our experimental results show that the transmittance and absorption coefficient of the metamaterial device can be substantially tuned (with an absorption coefficient change of up to 22% for 0.82 THz) by switching the liquid crystal alignment, induced by applying an external voltages applied to the wire electrodes. Structured tunable devices may find applications in modulation and switching elements operating in the visible-infrared-terahertz and microwave regimes. (C) 2015 AIP Publishing LLC.
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