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6 September 2017 3D plasmonic nanoarchitectures for extreme light concentration
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Plasmonic nanomaterials are known to concentrate incident light to their surfaces by collective electron oscillation. Plasmonic hot-spot refers to locations where electromagnetic fields are particularly enhanced relative to the incident field. Traditional plasmonic nanomaterials are 1D (e.g., colloidal nanoparticles) or 2D (lithographically patterned nanostructure arrays) in nature, which typically result in sparse field concentration patterns. To improve efficiency and better utilization of hot-spots, we investigate 3D plasmonic nanoarchitecture where abundant hot-spots are formed in a 3D volumetric fashion, a feature drastically departing from traditional nanostructures.
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Md Masud Parvez Arnob, Fusheng Zhao, and Wei-Chuan Shih "3D plasmonic nanoarchitectures for extreme light concentration", Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 1034606 (6 September 2017); doi: 10.1117/12.2272809;

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