High performance optical absorber based on a plasmonic metamaterial

被引：1078

作者：

Hao, Jiaming ^{[1
]}

Wang, Jing ^{[1
]}

Liu, Xianliang ^{[2
]}

Padilla, Willie J. ^{[2
]}

Zhou, Lei ^{[3
]}

Qiu, Min ^{[1
]}

机构：

[1] Royal Inst Technol, Lab Photon & Microwave Engn, Sch Informat & Commun Technol, S-16440 Stockholm, Sweden

[2] Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA

[3] Fudan Univ, Dept Phys, Surface Phys Lab, State Key Lab, Shanghai 200433, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 25期

基金：

瑞典研究理事会;

关键词：

absorption coefficients; metamaterials; nanofabrication; nanoparticles; plasmonics; NEGATIVE PERMEABILITY; ABSORPTION; LIGHT; GRATINGS; DENSITY; INDEX;

D O I：

10.1063/1.3442904

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

High absorption efficiency is particularly desirable at present for various microtechnological applications including microbolometers, photodectors, coherent thermal emitters, and solar cells. Here we report the design, characterization, and experimental demonstration of an ultrathin, wide-angle, subwavelength high performance metamaterial absorber for optical frequencies. Experimental results show that an absorption peak of 88% is achieved at the wavelength of similar to 1.58 mu m, though theoretical results give near perfect absorption. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3442904]

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