期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 24, 期 13, 页码 1109-1111出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2012.2196033
关键词
Detector; imaging; quantum well; terahertz
资金
- 863 Program of China [2011AA010205]
- 973 Program of China [2011CB925603]
- National Natural Science Foundation of China [61131006, 60721004, 11074266, 61176086]
- Major National Development Project of Scientific Instrument and Equipment [2011YQ150021]
- Important National Science and Technology Specific Projects [2011ZX02707]
- Hundred Talent Program of the Chinese Academy of Sciences
- Shanghai Municipal Commission of Science and Technology [10JC1417000, 11ZR1444000, 11ZR1444200, 09DJ1400102]
- [YYYJ-1123-1]
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.
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