Multi-mode absorption spectroscopy of oxygen for measurement of concentration, temperature and pressure

被引：24

作者：

Arita, Y. ^{[1
]}

Stevens, R. ^{[1
]}

Ewart, P. ^{[1
]}

机构：

[1] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2008年 / 90卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1007/s00340-007-2917-y

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The use of multi-mode absorption spectroscopy (MUMAS) to detect multiple transitions in the A-band b(1)Sigma(g) (+)-X(3)Sigma(-)(g) of molecular oxygen is reported. The modelling of MUMAS signatures and the procedure for fitting such model signatures to experimental data obtained using a multi-mode diode laser is described. The technique is shown to allow accurate and precise measurement of concentration, temperature over the range 300 to 500 K and of pressure over the range 0.2 to 1 bar. Extension of the technique to other ranges of temperature and pressure and to other species is discussed.

引用

页码：205 / 211

页数：7

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