Transient grating spectroscopy with delayed thermalization in non-combusting CO/air mixtures

被引：0
|
作者：
Li, YY
Roberts, WL [1 ]
Brown, MS
Herring, GC
机构：
[1] N Carolina State Univ, Raleigh, NC 27695 USA
[2] Innovat Sci Solut Inc, Dayton, OH 45440 USA
[3] NASA, Langley Res Ctr, Hampton, VA 23681 USA
来源：
OPTICS COMMUNICATIONS | 2003年 / 226卷 / 1-6期
关键词：
transient grating spectroscopy; TGS; active oxygen; singlet O-2((1)Delta(g));
D O I：
10.1016/j.optcom.2003.08.036
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Transient grating spectroscopy is used to observe slowly forming thermal gratings in a mixture (non-combusting CO/air at less than or equal to 0.7 MPa) of two gases that are individually transparent. Thermalization in the mixture implies a photochemical process at 532 nm that populates the metastable singlet level (1)Delta(g) in O-2 through collision-assisted absorption in O-2 pairs. The laser intensity dependence of this process is measured. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：255 / 258
页数：4
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