A thin film broadband absorber based on multi-sized nanoantennas

被引：237

作者：

Cui, Yanxia ^{[1
,2
,3
]}

Xu, Jun ^{[2
]}

Fung, Kin Hung ^{[2
]}

Jin, Yi ^{[1
]}

Kumar, Anil ^{[2
]}

He, Sailing ^{[1
]}

Fang, Nicholas X. ^{[2
]}

机构：

[1] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, Hangzhou 310058, Zhejiang, Peoples R China

[2] Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA

[3] Taiyuan Univ Technol, Dept Phys & Optoelect, Taiyuan 030024, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 25期

关键词：

PLASMONICS; DEVICES; LIGHT;

D O I：

10.1063/1.3672002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We experimentally demonstrate an infrared broadband absorber based on an array of nanostrip antennas of several different sizes. The broadband property is due to the collective effect of magnetic responses excited by these nanoantennas at distinct wavelengths. By manipulating the differences of the nanostrip widths, the measured spectra clearly validate our design for the purpose of broadening the absorption band. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3672002]

引用

页数：4

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