Terahertz narrow bandstop, broad bandpass filter using double-layer S-shaped metamaterials

查看全文 作　　者：LIANG [1,2]LanJu;JIN [2]BiaoBing;WU [2]JingBo;ZHOU [2]GaoChao;ZHANG [2]YongGang;TU [2]XueCou;JIA [2]Tao;JIA [2]XiaoQing;CAO [2]ChunHai;KANG [2]Lin;XU [2]WeiWei;CHEN [2]Jian

机构地区：[1]College of Optoelectronics Engineering, Zaozhuang University;[2]Research Institute of Superconductor Electronics (RISE), School of Electronic Science and Engineering,Nanjing University

出　　处：《Science China(Information Sciences)》索引2013年第56卷第12期,共7页

基　　金：supported by National Basic Research Program of China(973 Program)(Grant No.2011CBA00107);National High-tech R&D Program of China(863 Program)(Grant No.2011AA010204);National Natural Science Foundation of China(Grant No.61071009);Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);Jiangsu Provincial Key Laboratory of Advanced Manipulating Technique of Electromagnetic Wave,High Education Science Technology project of Shandong Province(Grant No.J13LN07);Technological Development project of Shandong Province(Grant No.2013GGA04021) 摘　　要：In this study,double-layer S-shaped metamaterials(MMs)are analyzed by terahertz time-domain spectroscopy.These materials exhibit narrow bandstop and broad bandpass transmission properties at both horizontal and vertical electric-feld polarizations.A 117%increase in the unloaded quality factor is experimentally observed for these materials.The center frequency is approximately 0.45 THz,with a 3-dB bandwidth of 0.52 THz from 0.20 to 0.72 THz at normal incidence.The measured average insertion loss is 0.5 dB with a ripple of 1 dB.These results show that double-layer S-shaped MMs are efective in designing tunable terahertz devices. 关键词：太赫兹时域光谱带通滤波器材料 S形带阻垂直入射电场极化传输特性

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Terahertz narrow bandstop, broad bandpass filter using double-layer S-shaped metamaterials

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