Pulse Wavelength Scan of Room-Temperature Mid-Infrared Distributed Feedback Quantum Cascade Lasers for N2 O Gas Detection
ZHANG Yong-Gang, XU Gang-Yi, LI Ai-Zhen, LI Yao-Yao, GU Yi, LIU Sheng, WEI Lin
State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050
Pulse Wavelength Scan of Room-Temperature Mid-Infrared Distributed Feedback Quantum Cascade Lasers for N2 O Gas Detection
ZHANG Yong-Gang;XU Gang-Yi;LI Ai-Zhen;LI Yao-Yao;GU Yi;LIU Sheng;WEI Lin
State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050
关键词 ：
42.55.Px ,
85.60.Bt ,
42.62.Fi ,
51.70.+f
Abstract ： 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 N2 O spectral fingerprint is demonstrated experimentally. By driving the laser at 800ns pulse duration, a wave number tuning of about 1.6cm-1 is produced, which make both 1289.04cm-1 and 1289.86cm-1 absorption fingerprints of N2 O gas to be definitely assigned. The measured relative absorption intensity is consistent with the HITRAN data precisely.
Key words ：
42.55.Px
85.60.Bt
42.62.Fi
51.70.+f
出版日期: 2006-07-01
:
42.55.Px
(Semiconductor lasers; laser diodes)
85.60.Bt
(Optoelectronic device characterization, design, and modeling)
42.62.Fi
(Laser spectroscopy)
51.70.+f
(Optical and dielectric properties)
引用本文:
ZHANG Yong-Gang;XU Gang-Yi;LI Ai-Zhen;LI Yao-Yao;GU Yi;LIU Sheng;WEI Lin. Pulse Wavelength Scan of Room-Temperature Mid-Infrared Distributed Feedback Quantum Cascade Lasers for N2 O Gas Detection[J]. 中国物理快报, 2006, 23(7): 1780-1783.
2 O Gas Detection. Chin. Phys. Lett., 2006, 23(7): 1780-1783.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I7/1780
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