Wide-angle infrared metamaterial absorber with near-unity absorbance

被引：38

作者：

Guo Linyang ^{[1
]}

Ma Xiaohui ^{[1
]}

Zou Yonggang ^{[1
]}

Zhang Ran ^{[2
]}

Wang Jia'an ^{[3
]}

Zhang Da ^{[3
]}

机构：

[1] Changchun Univ Sci & Technol, State Key Lab High Power Semicond Laser, Changchun 130022, Jilin, Peoples R China

[2] Changchun Inst Engn Technol, Changchun 130000, Jilin, Peoples R China

[3] Changchun Univ Sci & Technol, Sch Photoelect Engn, Changchun 130022, Jilin, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2018年 / 98卷

关键词：

Absorbers; Metamaterials; Impedance match; SENSORS;

D O I：

10.1016/j.optlastec.2017.07.043

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A wide-angle infrared perfect metamaterial absorber is experimentally verified. The perfect metamaterial absorber shows polarization-independent at normal incidence and displays high absorption rate at a large angle of incidence. The absorption property of the proposed metamaterial absorber is sensitive to the change of refractive index of environmental mediums. An absorption sensor scheme is proposed by combining the concept of the perfect metamaterial absorber and the variation of the refractive index of the environmental medium. Measured results indicate that the proposed absorption sensor scheme achieves high FOM values with different surrounding mediums (air, water, and glucose solution). (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：247 / 251

页数：5

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