Dual-band polarization-sensitive terahertz metamaterial absorber possessing frequency and amplitude dynamically-continuously tunable characteristics

被引：4
|
作者：
You, Li [1 ,2 ]
Xuan, Wang [1 ]
机构：
[1] Harbin Univ Sci & Technol, State Key Lab Breeding Base Dielect Engn, Harbin, Peoples R China
[2] Harbin Res Inst Elect Instruments, Harbin, Peoples R China
来源：
FERROELECTRICS | 2022年 / 593卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Terahertz metamaterial absorber; tuning range; modulation depth; polarization-sensitive; BROAD-BAND;
D O I：
10.1080/00150193.2022.2076444
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to suit the increasingly complex electromagnetism environment, multifunctional and continuously tunable terahertz device is becoming a research focus. In this paper, a frequency and amplitude tunable dual-band terahertz metamaterial absorber is proposed. Continuous tuning of absorption frequency and amplitude are completed by dynamic control of the conductivity of photosensitive silicon and the polarization angle, respectively. The tuning range of 55 GHz and amplitude modulation depth up to 100% are obtained. It can be concluded that the structure provides a new approach for the realization of future terahertz metamaterial absorbers possessing the characteristics of multifunction, portability, and intelligence.
引用
收藏
页码：174 / 180
页数：7
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