Design and analysis of terahertz filters based on multilayer metamaterials

被引：12
|
作者：
Yao, Zhibo [1 ,2 ,3 ]
Ke, Yuchen [1 ,2 ,3 ]
Lang, Yuanhao [1 ,2 ,3 ]
Wu, Tong [1 ,2 ,3 ]
Zhang, Xueqian [1 ,2 ,3 ]
Xu, Quan [1 ,2 ,3 ]
Han, Jiaguang [1 ,2 ,3 ,4 ]
机构：
[1] Tianjin Univ, Ctr Terahertz Waves, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[3] Minist Educ, Key Lab Optoelect Informat & Technol, Tianjin 300072, Peoples R China
[4] Guilin Univ Elect Technol, Sch Optoelect Engn, Guangxi Key Lab Optoelect Informat Proc, Guilin 541004, Peoples R China
来源：
APPLIED OPTICS | 2022年 / 61卷 / 19期
基金：
中国国家自然科学基金;
关键词：
WIDE-BAND; HIGH-PASS; ABSORBER;
D O I：
10.1364/AO.458369
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We numerically and experimentally demonstrate a series of multilayer metamaterial filters in the terahertz region. The designed structure consists of multiple metal-polyimide composite layers and cyclic olefin copolymer layers. The transmission spectra of the filters are characterized by terahertz time-domain spectroscopy, and the measured results agree well with simulations. In addition, the mechanism of the multilayer structure is theoretically studied by a thin film multibeam interference model. The proposed filters exhibit high efficiency at passband and can be broadly utilized as compact devices in practical applications at terahertz frequencies. (C) 2022 Optica Publishing Group
引用
收藏
页码：5799 / 5805
页数：7
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