期刊
APPLIED PHYSICS LETTERS
卷 102, 期 19, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4805075
关键词
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资金
- National Science Foundation of China [61201083, 61275094, U1231201, 61171024, 61171026, 60990320, 60990324]
- Natural Science Foundation of Heilongjiang Province in China [LC201006]
- China Postdoctoral Science Foundation [2012M511171]
- Special Foundation for Harbin Young Scientists [2012RFLXG030]
- Fundamental Research Funds for the Central Universities
- 111 Project [B13015, 111-2-05]
- National High Tech (863) Projects [2011AA010202, 2012AA030402]
A bilayered chiral metamaterial is proposed and demonstrated to exhibit dual-band asymmetric transmission of linearly polarized electromagnetic waves in two opposite directions. Simulated and measured results show that the bilayered chiral metamaterial can achieve cross-polarization conversion with an efficiency of over 90% for both y- and x-polarized waves. The proposed metasurface can be regarded as an ultrathin polarization-controlled switch that is easily switched on/off by changing a linearly polarized wave to its orthogonal component. (C) 2013 AIP Publishing LLC.
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