期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 25, 期 14, 页码 1344-1346出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2013.2265303
关键词
Terahertz; imaging; quantum-cascade laser; quantum-well photodetector
资金
- 863 Program of China [2011AA010205]
- 973 Program of China [2011CB925603]
- National Natural Science Foundation of China [61131006, 91221201]
- 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 [09DJ1400102, 10JC1417000, 11ZR1444200]
- [YYYJ-1123-1]
A transmission imaging system based on a terahertz quantum-cascade laser and a spectrally-matched quantum-well photodetector is presented. Terahertz imaging of paper money is demonstrated. An imaging resolution of 0.5 mm is achieved. This experiment demonstrates that the laser and the photodetector are potentially useful for imaging applications.
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