Femtosecond laser-induced nonlinear spectroscopy for remote sensing of methane

被引：0
|
作者：
H.L. Xu
J.F. Daigle
Q. Luo
S.L. Chin
机构：
[1] Université Laval,Center d’Optique, Photonique et Laser (COPL) et Département de Physique, de Génie Physique et d’Optique
来源：
Applied Physics B | 2006年 / 82卷
关键词：
Femtosecond Laser Pulse; Gate Width; Differential Optical Absorption Spectroscopy; Input Window; Tosecond Laser;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Femtosecond laser-induced nonlinear molecular spectroscopy is applied for sensing atmospheric greenhouse gas methane (CH4). The high intensity inside the Ti-sapphire femtosecond laser filaments can dissociate the CH4 molecules into small fragments which emit characteristic fluorescence. Backward CH radical fluorescence is used to quantitatively analyze the pollutant concentration and its remote detection limit.
引用
收藏
页码：655 / 658
页数：3
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