Superfocusing of surface polaritons in the conical structure

被引：243

作者：

Babadjanyan, AJ ^{[1
]}

Margaryan, NL ^{[1
]}

Nerkararyan, KV ^{[1
]}

机构：

[1] Yerevan State Univ, Dept Phys, Yerevan 375049, Armenia

来源：

JOURNAL OF APPLIED PHYSICS | 2000年 / 87卷 / 08期

关键词：

D O I：

10.1063/1.372414

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

It is shown that at the propagation of a surface polariton through a pointed cone its wavelength decreases to zero as it approaches the edge of the cone. As a result, the polariton is focused in a very small region and the strengths of the wave fields anomalously increase. The phenomenon could be used for creation of a scanning near-field optical microscope to investigate the nanometer-scale surface areas. (C) 2000 American Institute of Physics. [S0021-8979(00)09805-4].

引用

页码：3785 / 3788

页数：4

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