Focusing of light by a nanohole array

被引：189

作者：

Huang, Fu Min ^{[1
]}

Zheludev, Nikolay

Chen, Yifang

Javier Garcia de Abajo, F.

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[2] Rutherford Appleton Lab, Cent Microstruct Facil, Didcot OX11 OQX, Oxon, England

[3] CSIC, Inst Opt, Madrid 28006, Spain

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 09期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1063/1.2710775

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors demonstrate a mechanism for focusing at optical frequencies based on the use of nanohole quasiperiodic arrays in metal screens. Using coherent illumination at 660 nm and scanning aperture optical microscopy, similar to 290 nm "hot spots" were observed at a distance of similar to 12.5 mu m from the array. Even smaller hot spots of about similar to 200 nm in waist were observed closer to the plane of the array.(c) 2007 American Institute of Physics.

引用

页数：3

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