Design of a concise and dual-band tunable metamaterial absorber

被引：0
|
作者：
李宗哲 [1 ]
罗春娅 [1 ]
姚刚 [1 ]
乐进 [1 ]
季洁 [1 ]
姚建铨 [1 ,2 ]
凌福日 [3 ]
机构：
[1] Wuhan National Laboratory for Optoelectronics,Huazhong University of Science and Technology
[2] College of Precision Instrument and Optoelectronics Engineering,Tianjin University
[3] School of Optical and Electronic Information,Huazhong University of Science and Technology
来源：
Chinese Optics Letters | 2016年 / 14卷 / 10期
关键词：
Design of a concise and dual-band tunable metamaterial absorber; STO;
D O I：
暂无
中图分类号：
TB34 [功能材料];
学科分类号：
080501 ;
摘要：
We theoretically present a concise and tunable dual-band metamaterial absorber composed of a typical metaldielectric-metal structure in the terahertz regime.The dual-band absorption originates from two different resonance modes induced in one square ring,which is different from the common dual-band absorber composed of a super unit with several different-sized structures.The proposed absorber can realize dynamic tunability through changing the permittivity of the dielectric layer by applying different temperatures.Other good performances,such as a wide incident angle and polarization insensitivity,are also available for the proposed absorber.Such a metamaterial absorber is a promising candidate for terahertz imaging and detection.
引用
收藏
页码：86 / 91
页数：6
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