Design and characteristics of quantum cascade laser-based CO detection system

The authors report the design and characteristics of a mid-infrared quantum cascade laser-based CO detection system using the absorption in the P (14) line, at 2086.32 cm −1. Measurements are performed through line scanning and signal processing to give sensitivities down to 2 ppm with the response...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2009-10, Vol.142 (1), p.33-38
Main Authors: Li, Lei, Cao, Feng, Wang, Yiding, Cong, Menglong, Li, Li, An, Yupeng, Song, Zhenyu, Guo, Shuxu, Liu, Fengqi, Wang, Lijun
Format: Article
Language:English
Subjects:
Absorption spectroscopy
Chemical sensors
Optical detection systems
QC laser
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Summary:The authors report the design and characteristics of a mid-infrared quantum cascade laser-based CO detection system using the absorption in the P (14) line, at 2086.32 cm −1. Measurements are performed through line scanning and signal processing to give sensitivities down to 2 ppm with the response time of 7 s.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2009.08.025