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Conversion of a Helical Surface Plasmon Polariton into a Spiral Surface Plasmon Polariton at the Outlet of a Metallic Nanohole

[Image: see text] The conversion of a helical surface plasmon polariton (SPP) creeping out of a circular nanohole in a thick metal (Ag or Au) film into a spiral (Hankel type) SPP outward propagating at the film’s interface is studied theoretically. The dispersion relations of SPPs of various modes i...

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Detalles Bibliográficos
Autores principales: Ku, Yun-Cheng, Liaw, Jiunn-Woei, Mao, Szu-Yao, Kuo, Mao-Kuen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2022
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8973055/
https://www.ncbi.nlm.nih.gov/pubmed/35382270
http://dx.doi.org/10.1021/acsomega.1c07187