Generation of diffraction-free plasmonic beams with one-dimensional Bessel profiles

被引：42

作者：

Garcia-Ortiz, Cesar E. ^{[1
,2
]}

Coello, Victor ^{[3
]}

Han, Zhanghua ^{[2
,4
]}

Bozhevolnyi, Sergey I. ^{[2
]}

机构：

[1] UANL, Fac Ciencias Fis Matemat, San Nicolas De Los Garza 66450, Nuevo Leon, Mexico

[2] Univ So Denmark, Inst Technol & Innovat, DK-5230 Odense M, Denmark

[3] PIIT, Ctr Invest Cient & Educ Super Ensenada, Apodaca 66600, Nuevo Leon, Mexico

[4] China Jiliang Univ, Ctr THz Res, Hangzhou 310018, Zhejiang, Peoples R China

来源：

OPTICS LETTERS | 2013年 / 38卷 / 06期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1364/OL.38.000905

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate experimentally generation of diffraction-free plasmonic beams with zeroth- and first-order Bessel intensity profiles using axicon-like structures fabricated on gold film surfaces and designed to operate at a wavelength of 700 nm. The central beam features a very low divergence (similar to 8 pi mrad) for a narrow waist of the order of one wavelength and the ability to self reconstruct, which are the main signatures of diffraction-free beams. (C) 2013 Optical Society of America

引用

页码：905 / 907

页数：3

共 16 条

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