Trace gas absorption spectroscopy using laser difference-frequency spectrometer for environmental application

被引:0
|
作者
Chen, W
Cazier, F
Boucher, D
Tittel, FK
Davies, PB
机构
[1] Univ Littoral, MREID, F-59140 Dunkerque, France
[2] Rice Univ, Rice Quantum Inst, Houston, TX 77005 USA
[3] Univ Cambridge, Dept Chem, Cambridge CB2 IEW, England
关键词
D O I
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中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A widely tunable infrared spectrometer based on difference frequency generation (DFG) has been developed for organic trace gas detection by laser absorption spectroscopy. On-line measurements of concentration of various hydrocarbons, such as acetylene, benzene, and ethylene, were investigated using high-resolution DFG trace gas spectroscopy for highly sensitive detection.
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页码:594 / 599
页数:6
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