Reconfigurable Terahertz Frequency Selective Structures Using Vanadium Dioxide

被引：0
|
作者：
Vegesna, Subash [1 ]
Zhu, Yanhan [2 ]
Zhao, Yong [2 ]
Fan, Zhaoyang [2 ]
Bernussi, Ayrton [2 ]
Saed, Mohammad [1 ]
机构：
[1] Texas Tech Univ, Elect & Comp Engn, Lubbock, TX 79409 USA
[2] Texas Tech Univ, Nano Tech Ctr, Lubbock, TX 79409 USA
来源：
2013 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST (IMS) | 2013年
关键词：
Frequency selective surfaces; polarizer; tunable terahertz filters; vanadium dioxide; metal-insulator transition;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Terahertz frequency selective surfaces with tunable characteristics are presented. Vanadium dioxide patches and metallic resonators were used. Vanadium dioxide behaves as an insulator at low temperatures and as a metal at high temperatures with transition temperature of similar to 68 degrees C. Single to dual polarized bandpass FSS structure at 0.5 THz and tunable bandpass FSS structure were realized. We measured extinction ratio of 25 dB for the polarizer and 31% shift in the resonance frequency for the FSS.
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页数：3
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