Measurement of OH Radicals in Flame with XeCl Excimer Laser
LIU Yu, LIU Wen-qing*, KAN Rui-feng, SI Fu-qi, XU Zhen-yu, HU Ren-zhi, XIE Pin-hua
National Engineering and Technological Research Center for Environmental Optic Monitoring Instrument, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
Abstract:The present paper describes how to measure OH radicals in the flame of alcohol burner flame by using XeCl excimer laser. The instrument consists of a XeCl excimer laser as light source, a multiple-reflection cell with whole path length of light achieving 2 560 meters, and a double pass high resolution echelle spectrometer with resolution 3.3 pm. This paper describes the reason for using the XeCl excimer laser without spectral etaloning and how to get rid of the water in reactor chamber. The results of the experiment get some absorption peak of OH radicals from 308.145 to 308.175 nm. By choosing the appropriate fit area and fitting, the results contrast with the measure data by using Xe lamp as light source.
刘 宇,刘文清*,阚瑞峰,司福祺,许振宇,胡仁志,谢品华 . 基于准分子激光器火焰中OH自由基测量技术研究[J]. 光谱学与光谱分析, 2012, 32(11): 2897-2901.
LIU Yu, LIU Wen-qing*, KAN Rui-feng, SI Fu-qi, XU Zhen-yu, HU Ren-zhi, XIE Pin-hua . Measurement of OH Radicals in Flame with XeCl Excimer Laser . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(11): 2897-2901.
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