Ultra-broadband metamaterial absorber in the visible and near-infrared range based on silicon carbide hemisphere arrays
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影响因子：3.409
DOI码：10.1088/1361-6463/ac0926
发表刊物：Journal of Physics D: Applied Physics
摘要：In this paper, we theoretically study the broadband optical metamaterial absorber composed of silicon carbide (SiC) hemisphere array placed atop a tungsten substrate, where high average absorptivity reaching 93.5% is obtained in a broad range from ultraviolet to near-infrared frequency. The presented broadband metamaterial absorber exhibits good tolerance to incidence angle up to 40° and shows polarization-independent performance. The underlying mechanism of the broadband absorption is attributed to the magnetic dipole resonance stimulated inside SiC hemispheres as well as the intense field trapping caused by lattice resonances. The presented structure is simple and efficient, and also offers promising applications in broadband thermophotovoltaic devices.
第一作者：Jinlai Liu
论文类型：期刊论文
通讯作者：Bingyi Liu,Jie Song,Yongyuan Jiang
论文编号：000664520000001
学科门类：理学
文献类型：J
卷号：54
期号：35
页面范围：355102
字数：3000
ISSN号：ISSN 0022-3727
是否译文：否
发表时间：2021-06-21
收录刊物：SCI
发布期刊链接：https://iopscience.iop.org/article/10.1088/1361-6463/ac0926