Broadband Absorption Antenna Based on High Refractive Index Tungsten Metal-Insulator-Meta Metamaterial Nano Ring Array

被引：2
作者：
Li, Na [1 ]
Tian, Yan-Wei [1 ]
Bao, Jian-Qiang [1 ]
Wang, Yan [1 ]
Zhao, Chi [1 ]
Shan, Yu-Yu [1 ]
Xu, Bo-Nan [1 ]
Zhang, Jing-Ke [1 ]
机构：
[1] Xidian Univ, Minist Educ, Key Lab Elect Equipment Struct Design, Xian 710071, Peoples R China
来源：
JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2022年 / 17卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Energy Harvesting; Metal-Insulator-Metal; Metamaterial; Broadband; Surface Plasmon Resonance; O O t 0; ABSORBER; DESIGN;
D O I：
10.1166/jno.2022.3239
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Antennas for solar energy collection, for the problem of complex antenna structure and narrow absorption band, a metal-insulator-metal (MIM) nano ring array antenna based on metamaterial is proposed, which has high-efficiency light absorption characteristics in the broadband range of visible light and near-infrared light. Based on surface plasma theory, the proposed antenna is only composed of two W layers of metal and one Al2O3 layer of insulator medium, and has an a verage absorption rate of 96.93% in the range of 400-1600 nm. In addition, it is found that this kind of super light-absorbing capability is independent of the incoming light polarization state and can maintain an average of 91% for an incident angle as large as +/- 60 degrees. Furthermore, the perfect absorption performance of MIM nano ring array antenna based on metamaterial can be explained by the synergistic effect of localized surface plasmon resonance enhancement and Fabry-Perot resonance.
引用
收藏
页码：588 / 593
页数：6
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