期刊
NANOSCALE
卷 6, 期 11, 页码 6037-6045出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr00087k
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资金
- German Research Foundation (DFG)
- German Research Foundation (DFG) [EL 554/1-1, SFB 677]
- Initiative and Networking Fund of the Helmholtz Association [VH-NG-523]
- German Federal Ministry of Education and Research (PhoNa)
- Thuringian State Government (MeMa)
We report on the design, simulation, fabrication, and characterization of a novel two layer anti-reflective coating (ARC) based on a plasmonic metamaterial and a dielectric. Promoted by the strong material dispersion of the plasmonic metamaterial, our novel concept (called hybrid ARC) combines two possible arrangements for layers in an anti-reflection coating into a single structure; albeit at two different wavelengths. This, however, causes a broadband reduction of reflection that is less sensitive against oblique incidence when compared to traditional antireflective coatings. Furthermore, we show that the current metamaterial on a metal reflector can be used for the visualization of different coloration such as plasmonic rainbow despite its sub-wavelength thickness.
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