QQ客服 官方微博 反馈留言

	Dual-band perfect absorbers based on the magnetic resonance and the cavity resonance
	Wang, Hongqing ; Junbo, Yang ; Wu, Wenjun ; Huang, Jie ; Zhang, Jingjing ; Chen, Dingbo ; Yan, Peng ; Xiao, Gongli
	2017
关键词	Perfect absorbers metamaterial single-band dual-band magnetic resonance cavity resonance SOLAR-CELL APPLICATIONS METAMATERIAL ABSORBER BROAD-BAND VISIBLE FREQUENCIES ABSORPTION REGIME
英文摘要	An infrared (IR) absorber based on the metamaterial structure is proposed theoretically and numerically. The near-unity absorption can be achieved at a certain wavelength by optimizing geometrical parameters of the structure. Moreover, we can switch a single-band absorber to dual-band absorber by decreasing the thickness of top metallic layer which is perforated by an air-filled ribbon. At the same time, we confirm that the mechanism of this two absorption bands is completely different. The simultaneous effects of the magnetic resonance and the cavity resonance occur at our proposed structure. Besides according to the control of polarization direction, the absorption peaks occur at the two constant wavelengths, and the superposed value of this two absorption peaks is always close to a constant. Based on this phenomenon, a simple dual-band absorber is designed when the thickness of top shaped metallic film is relatively large. The cavity response is not the existence in this condition. These results that we obtain may provide some promising applications such as sensors, thermal imagers, and IR detectors.; CPCI-S(ISTP); 10256
语种	英语
出处	2nd International Conference on Photonics and Optical Engineering (icPOE)
DOI标识	10.1117/12.2257788
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/469856]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Wang, Hongqing,Junbo, Yang,Wu, Wenjun,et al. Dual-band perfect absorbers based on the magnetic resonance and the cavity resonance. 2017-01-01.

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。