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Numerical investigation of an ultra-broadband, wide-angle, and polarization-independent metasurface light absorber
Zhang, K; Deng, RX; Song, LX; Zhang, T
2020-10-01
Source PublicationAPPLIED OPTICS
ISSN1559-128X
Issue28Pages:8878
SubtypeArticle
AbstractIn this paper, we propose and numerically investigate an ultra-broadband, wide-angle, and polarization-independent metasurface absorber based on periodic hexagon-latticed titanium (Ti) nanoring arrays over a continuous Ti film. The proposed absorber can achieve more than 90% absorptivity under normal incidence, ranging from 350 to 1453 nm, and the average absorption is up to 95.6%. Additionally, the absorptivity still remained beyond 70% when the incident angles varied from 0 degrees to 60 degrees. The simulations of electric field distributions indicate that the broadband absorption performance can be ascribed to the superposition of the localized surface plasmon resonance (LSPR) originated from the nanopillars and nanoholes, respectively. The proposed approach is simple and inexpensive, and the metal material is optional. Therefore, we believe that the proposed absorber will be a candidate for many potential applications, such as thermophotovoltaic cells, thermal emitters, and optoelectronic devices. (C) 2020 Optical Society of America
DOI10.1364/AO.405135
WOS KeywordMETAMATERIAL ABSORBER ; PERFECT ABSORBER ; ABSORPTION ; NICKEL ; GOLD
Language英语
WOS Research AreaOptics
PublisherOPTICAL SOC AMER
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27711
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, K,Deng, RX,Song, LX,et al. Numerical investigation of an ultra-broadband, wide-angle, and polarization-independent metasurface light absorber[J]. APPLIED OPTICS,2020(28):8878.
APA Zhang, K,Deng, RX,Song, LX,&Zhang, T.(2020).Numerical investigation of an ultra-broadband, wide-angle, and polarization-independent metasurface light absorber.APPLIED OPTICS(28),8878.
MLA Zhang, K,et al."Numerical investigation of an ultra-broadband, wide-angle, and polarization-independent metasurface light absorber".APPLIED OPTICS .28(2020):8878.
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