Terahertz Imaging With Quantum-Well Photodetectors

被引：18
|
作者：
Zhou, T. [1 ]
Zhang, R. [1 ]
Guo, X. G. [1 ]
Tan, Z. Y. [1 ]
Chen, Z. [1 ]
Cao, J. C. [1 ]
Liu, H. C. [2 ]
机构：
[1] Chinese Acad Sci, Key Lab Terahertz Solid State Technol, Shanghai Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China
[2] Shanghai Jiao Tong Univ, Key Lab Artificial Struct & Quantum Control, Minist Educ, Dept Phys, Shanghai 200240, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2012年 / 24卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Detector; imaging; quantum well; terahertz; MICROBOLOMETER;
D O I：
10.1109/LPT.2012.2196033
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 an imaging system based on a terahertz (THz) quantum-well photodetector (QWP). The THz QWP possessing high sensitivity at THz frequency band (0.3-10 THz) is utilized as a detector for imaging. We obtained images of a concealed sample in envelope by detecting the transmitted THz radiation from a black-body source as background radiation. This letter shows the potential of THz QWPs for imaging.
引用
收藏
页码：1109 / 1111
页数：3
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