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A spiral plasmonic lens with directional excitation of surface plasmons

Conventional plasmonic lenses are composed of curved slits carved through metallic films. Here, we propose a new plasmonic lens based on a metallic slit with an auxiliary groove. When the lens is illumined normally, only inward surface plasmon polaritons (SPPs) can be generated and then focused into...

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Detalhes bibliográficos
Publicado no:Sci Rep
Main Authors: Guo, Qingrui, Zhang, Chi, Hu, Xinhua
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group 2016
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4999813/
https://ncbi.nlm.nih.gov/pubmed/27562227
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep32345
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