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The detection of carbon monoxide by the second harmonic generation of CO2 laser

✍ Scribed by Y. Qu; Z.-H. Kang; T.-J. Wang; Y. Jiang; Y. M. Andreev; J.-Y. Gao

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
88 KB
Volume
4
Category
Article
ISSN
1612-2011

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✦ Synopsis

The technique of Second-Harmonic Generation (SHG) of
CO~2~ laser for carbon monoxide concentration detection is
investigated in this paper. A simple mechanical Q-switched CO~2~
laser is used in our experiment, which works at 9.586 ΞΌm. The
nonlinear optical crystal used for frequency doubling is
ZnGeP~2~. Different CO concentration detections are performed and
100ppm detectable sensitivity is obtained.

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