Diffraction-Limited Focusing of Plasmonic Wave by a Parabolic Mirror

被引：0
|
作者：
P. N. Melentiev
A. A. Kuzin
D. V. Negrov
V. I. Balykin
机构：
[1] Institute for Spectroscopy Russian Academy of Sciences,Higher School of Economics
[2] National Research University,undefined
[3] Moscow Institute of Physics and Technology,undefined
来源：
Plasmonics | 2018年 / 13卷
关键词：
Surface plasmon-polaritons; Focusing of SPP; Nanogroove; Parabolic mirror; Ag film;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We demonstrate effective, up to 30%, reflection of the surface plasmon-polariton wave (SPP) from a nanogroove made on Ag film surface. The use of SPP reflection from a nanogroove having a shape of parabola helps to realize a new element in nanoplasmonics—parabolic SPP mirror. It was found that the mirror allows focusing of the SPP into a diffraction-limited spot with a lateral size of about λSPP (λSPP = 800 nm—SPP wavelength). The possibility of spatial scanning the focusing spot of SPP on the surface of Ag film is shown.
引用
收藏
页码：2361 / 2367
页数：6
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