On the Focusing of Surface Plasmonic Waves on the Free Surface of a Metal Film
- 作者: Petrin A.B.1
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隶属关系:
- Joint Institute for High Temperatures, Russian Academy of Sciences
- 期: 卷 126, 编号 3 (2019)
- 页面: 269-278
- 栏目: Optics of Surfaces and Interfaces
- URL: https://ogarev-online.ru/0030-400X/article/view/165951
- DOI: https://doi.org/10.1134/S0030400X19030147
- ID: 165951
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详细
The excitation and focusing of a surface plasmonic wave on the free surface of a metal film in the Kretschmann scheme have been considered based on the theory of reflection of a plane electromagnetic wave from a flat-layered structure. A method of exciting a radially convergent surface plasmonic wave is proposed. The electric-field distribution at the focus is quantitatively investigated, and the conditions for its maximization are determined. The applications of the results obtained are discussed.
作者简介
A. Petrin
Joint Institute for High Temperatures, Russian Academy of Sciences
编辑信件的主要联系方式.
Email: a_petrin@mail.ru
俄罗斯联邦, Moscow, 125412
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