Pulse wavelength scan of room-temperature mid-infrared distributed feedback quantum cascade lasers for N2O gas detection

被引：0
|
作者：
Zhang Yong-Gang [1 ]
Xu Gang-Yi [1 ]
Li Ai-Zhen [1 ]
Li Yao-Yao [1 ]
Gu Yi [1 ]
Liu Sheng [1 ]
Wei Lin [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2006年 / 23卷 / 07期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The tunable diode laser absorption spectroscopy under a pulse wavelength scan scheme is adapted to home-made room-temperature mid-infrared distributed feedback quantum cascade lasers; and identification of N2O spectral fingerprint is demonstrated experimentally. By driving the laser at 800 ns pulse duration, a wave number tuning of about 1.6 cm(-1) is produced, which make both 1289.04 cm(-1) and 1289.86 cm(-1) absorption fingerprints of N2O gas to be definitely assigned. The measured relative absorption intensity is consistent with the HITRAN data precisely.
引用
收藏
页码：1780 / 1783
页数：4
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