A tunable reflector based on VO2 thin films in terahertz optical systems

被引：2
|
作者：
Lai, Wei En [1 ]
Zhang, Huai Wu [1 ]
Wen, Qi Ye [1 ]
Qiu, Dong Hong [1 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Films & Integrated Devices, Chengdu 610054, Peoples R China
来源：
INTERNATIONAL SYMPOSIUM ON OPTOELECTRONIC TECHNOLOGY AND APPLICATION 2014: INFRARED TECHNOLOGY AND APPLICATIONS | 2014年 / 9300卷
关键词：
Vanadium dioxide (VO2); Terahertz time domain spectroscopy (THz-TDS); Maxwell-Garnett EMT;
D O I：
10.1117/12.2069878
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：
We present a tunable reflector based on VO2 thin films in the terahertz frequency range. The reflectance of the reflector in the terahertz region can be tuned by controlling electrical properties of VO2 thin films. The change of electrical properties of VO2 originates from an insulator-metal transition of VO2. The experimental results demonstrated the effectiveness of the tunable reflector in the terahertz region. The tunable reflector of the VO2 thin films is very suitable for terahertz systems.
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页数：4
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