Mode evolution and nanofocusing of grating-coupled surface plasmon polaritons on metallic tip

We present a detailed analysis on mode evolution of grating-coupled surface plasmonic polaritons (SPPs) on a conical metal tip based on the guided-wave theory. The eigenvalue equations for SPPs modes are discussed, revealing that cylindrical metal waveguides only support TM01 and HEm1 surface modes....

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Библиографические подробности

Главные авторы:	Lu Fanfan, Zhang Wending, Huang Ligang, Liang Shuhai, Mao Dong, Gao Feng, Mei Ting, Zhao Jianlin
Формат:	Artigo
Язык:	Inglês
Опубликовано:	Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China 2018-07-01
Серии:	Opto-Electronic Advances
Предметы:	surface plasmon polaritons plasmonic tip nanofocusing metal nanostructures electromagnetic field enhancement
Online-ссылка:	http://www.oejournal.org/article/doi/10.29026/oea.2018.180010
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