CALIBRATION SOURCE FOR OH LASER-INDUCED FLUORESCENCE-DENSITY MEASUREMENTS WITH THERMALLY DISSOCIATED H2O IN ATMOSPHERIC AIR

被引：15
作者：
GRINSTEAD, JH
LAUFER, G
KRAUSS, RH
MCDANIEL, JC
机构：
[1] Aerospace Research Laboratory, University of Virginia, Charlottesville, VA, 22903
来源：
APPLIED OPTICS | 1994年 / 33卷 / 06期
关键词：
LASER-INDUCED FLUORESCENCE; CALIBRATION; OH; DENSITY MEASUREMENT; KRF LASER; SPECTROSCOPY;
D O I：
10.1364/AO.33.001115
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A calibration technique for OH laser-induced fluorescence (LIF) density measurements through the use of the thermal dissociation of ambient H2O in an atmospheric air furnace with a tunable KrF laser has been demonstrated. The stable and uniform concentration of OH produced in the furnace permits direct calibration of LIF signals without the uncertainties associated with reference flames. The presence of OH in atmospheric air that is heated to temperatures exceeding 1500 K is sufficient for LIF measurements with most OH LIF laser systems. The measured OH density is found to agree well with the computed OH chemical-equilibrium density over a temperature range of 1500-1850 K.
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收藏
页码：1115 / 1119
页数：5
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