Metamaterial absorber with dendritic cells at infrared frequencies

被引：106

作者：

Zhu, Weiren ^{[1
]}

Zhao, Xiaopeng ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Smart Mat Lab, Dept Appl Phys, Xian 710072, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2009年 / 26卷 / 12期

基金：

中国国家自然科学基金;

关键词：

NEGATIVE-INDEX; FABRICATION; DESIGN;

D O I：

10.1364/JOSAB.26.002382

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a model of an infrared metamaterial absorber composed of metal dendritic resonators, dielectric substrate, and continuous metal film. Numerical simulation confirms an absorptivity of 98.6% at the infrared wavelength of 2.79 mu m. The proposed metamaterial absorber has an excellence of two-dimensional isotropy, and it could be fabricated with a chemical double-template technique. Our simulation shows it could be operated for a wide range of incident angles. The optical metamaterial absorber proposed in this paper has potential applications such as in infrared imaging devices, thermal bolometers, and wavelength-selective radiators. (C) 2009 Optical Society of America

引用

页码：2382 / 2385

页数：4

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