USING ROTATIONAL RAMAN SCATTERING TO STUDY GAS IMPURITIES

被引：0
|
作者：
Boyarshinov, B. F. [1 ]
Fedorov, S. Yu. [1 ]
机构：
[1] Russian Acad Sci, Inst Thermophys, Siberian Div, Novosibirsk 630090, Russia
来源：
JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS | 2010年 / 51卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
Raman scattering; spectrum; laser; jet; concentration; impurity;
D O I：
10.1007/s10808-010-0097-8
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The use of optical diagnostic methods (spontaneous Raman scattering and coherent anti-Stokes light scattering) to measure gas impurity concentrations of less than 0.1% is studied. The shapes of measured and calculated rotational Raman scattering spectra were compared to process experimental data. The technique was tested for measuring nitrogen, oxygen, and hydrogen concentrations in jets. Under the conditions of these experiments, changes in the ratio of oxygen and nitrogen concentrations during air diffusion into helium and hydrogen were not observed.
引用
收藏
页码：769 / 775
页数：7
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