Single frequency quantum cascade-DFB laser based spectrometer for trace gas detection

被引:0
|
作者
Tittel, FK [1 ]
Kosterev, AA [1 ]
Curl, RF [1 ]
Gmachl, C [1 ]
Capasso, F [1 ]
Sivco, DL [1 ]
Baillargeon, JN [1 ]
Hutchinson, AL [1 ]
Cho, AY [1 ]
机构
[1] Rice Univ, Rice Quantum Inst, Houston, TX 77251 USA
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中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Performance characteristics of a single frequency mid-infrared quantum cascade distributed feedback (QC-DFB) laser will be reported. Sensitive spectroscopic trace gas detection of CH4, N2O, H2O and C2H5OH in the 7.9 mum spectral region was demonstrated using a 100-m Herriott multipass cell and a rapid "zero-air" back-round subtraction technique. (C) 1999 Optical Society of America.
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页码:658 / 660
页数:3
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