The active modulation of flexible terahertz tube

被引：2
|
作者：
Liu, Jing [1 ]
Ji, Hongyu [2 ]
Shen, Jingling [2 ]
Zhang, Cunlin [1 ,2 ]
Zhao, Yuejin [1 ]
机构：
[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China
[2] Capital Normal Univ, Minist Educ, Key Lab Terahertz Optoelect, Beijing 100048, Peoples R China
来源：
OPTICAL MATERIALS | 2019年 / 95卷
关键词：
Terahertz modulator; Indium oxide (In2O3) nanoparticle; Polyimide tube; METAMATERIAL;
D O I：
10.1016/j.optmat.2019.109264
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrated a flexible polyimide terahertz tube that can modulate Terahertz (THz) wave efficiently based on indium oxide (In2O3) nanoparticle. The transmission of the THz pulse can be modulated using optical control over 0.2 to 2.6 THz, and the modulation depth reached up to 14%. By combining nano-indium oxide layer with metal periodic metamaterial structure, the modulation was optimized to 35%. The results show that a photoexcited tunable terahertz modulator can be realized by irradiating the structure under different intensity of the laser beam.
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页数：5
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