Polarization-dependent broadband absorber based on composite metamaterials in the long-wavelength infrared range

doi:10.1364/OE.435579

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	Polarization-dependent broadband absorber based on composite metamaterials in the long-wavelength infrared range
	H. Yu; D. Meng; Z. Liang; H. Xu; Z. Qin; X. Su; D. R. Smith and Y. Liu
	2021
发表期刊	Optics Express
ISSN	10944087
卷号	29 期号:22 页码:36111-36120
摘要	Capturing polarization information has long been an important topic in the field of detection. In this study, two polarization-dependent broadband absorbers based on a composite metamaterial structure were designed and numerically investigated. Unlike in conventional metamaterial absorbers, the bottom metallic film is functionalized to achieve a polarization response or broadband absorption. The simulation results show that the type I absorber exhibits TM polarization-dependent broadband absorption (absorptivity80%) from 8.37 m to 12.12 m. In contrast, the type II absorber presents TE polarization-dependent broadband absorption (absorptivity80%) from 8.23 m to 11.93 m. These devices are extremely sensitive to the change of polarization angle. The absorptivity changes monotonically with an increase of the polarization angle, but it is insensitive to oblique incidence. This design paves the way for realizing broadband polarization-dependent absorption via a simple configuration. It has bright prospects in thermal detection applications and imaging fields. 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
DOI	10.1364/OE.435579
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收录类别	SCI ; EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65540
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	H. Yu,D. Meng,Z. Liang,et al. Polarization-dependent broadband absorber based on composite metamaterials in the long-wavelength infrared range[J]. Optics Express,2021,29(22):36111-36120.
APA	H. Yu.,D. Meng.,Z. Liang.,H. Xu.,Z. Qin.,...&D. R. Smith and Y. Liu.(2021).Polarization-dependent broadband absorber based on composite metamaterials in the long-wavelength infrared range.Optics Express,29(22),36111-36120.
MLA	H. Yu,et al."Polarization-dependent broadband absorber based on composite metamaterials in the long-wavelength infrared range".Optics Express 29.22(2021):36111-36120.

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