| 可调谐激光吸收光谱技术监测燃烧中CO检测方法比较 |
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| 引用本文： | 夏慧,刘文清,张玉钧,阚瑞峰,陈东,崔益本,王敏,何莹.可调谐激光吸收光谱技术监测燃烧中CO检测方法比较[J].大气与环境光学学报,2008,3(1):42-46. |
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| 作者姓名： | 夏慧 刘文清 张玉钧 阚瑞峰 陈东 崔益本 王敏 何莹 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所环境光学与技术重点实验室,安徽,合肥,230031 |
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| 摘 要： | 可调谐二极管激光吸收光谱(TDLAS)技术是利用二极管激光器的波长调谐特性,获得被选定的待测气体特征吸收谱线的吸收光谱,从而对待测气体进行定性或定量分析.TDLAS技术与开放式的多次反射池相结合,分别利用二次谐波探测方法和自平衡加波长调制的新型检测方法,测量了酒精喷灯火焰的CO浓度.测量结果表明,自平衡加波长调制的新型检测方法与二次谐波检测方法相比,不仅使检测限提高了16.3倍,还有效地消除了激光器、火焰的光强波动影响,可以应用在燃烧控制及喷焰气体CO浓度测量等多个领域.
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| 关 键 词： | 可调谐二极管激光吸收光谱 自平衡探测 二次谐波探测 CO浓度 可调谐激光 吸收光谱 技术监测 燃烧控制 检测方法比较 Absorption Spectroscopy Tunable Diode Laser Based Combustion Measurement Concentration Method Comparison 浓度测量 喷焰 应用 波动影响 光强 激光器 检测限 测量结果 |
| 文章编号： | 1673-6141（2008）01-0042-05 |
| 收稿时间： | 2007-08-20 |
| 修稿时间： | 2007年8月20日 |
Detection Method Comparison of CO Concentration Measurement in Combustion Based on Tunable Diode Laser Absorption Spectroscopy |
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| XIA Hui,LIU Wen-qing,ZHANG Yu-jun,KAN Rui-feng,CHEN Dong,CUI Yi-ben,WANG Min,HE Ying.Detection Method Comparison of CO Concentration Measurement in Combustion Based on Tunable Diode Laser Absorption Spectroscopy[J].Journal of Atmospheric and Environmental Optics,2008,3(1):42-46. |
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| Authors: | XIA Hui LIU Wen-qing ZHANG Yu-jun KAN Rui-feng CHEN Dong CUI Yi-ben WANG Min HE Ying |
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| Affiliation: | XIA Hui LIU Wen-qing ZHANG Yu-jun KAN Rui-feng CHEN Dong CUI Yi-ben WANG Min HE Ying (Key Laboratory of Environmental Optics , Technology,Anhui Institute of Optics , Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China) |
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| Abstract: | Tunable diode laser absorption spectroscopy (TDLAS) is a new method to detect trace-gas qualita- tively or quantitatively based on the scan characteristic of the diode laser to obtain the absorption spectroscopy in the characteristic absorption region.With the combination of TDLAS and the open-path multi-pass Herriot cell,using second harmonic detection and the auto-balanced detection with wavelength modulation respec- tively,the CO concentration of flame of alcohol blowtorch is measured.The result shows th... |
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| Keywords: | tunable diode laser absorption spectroscopy(TDLAS) auto-balanced detection second harmonic detection CO concentration |
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