Simultaneous detection of multiple-gas species by correlation spectroscopy using a multimode diode laser

X. T. Lou; G. Somesfalean; B. ChenY. G. ZhangH. S. WangZ. G. ZhangS. H. WuY. K. Qin

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Simultaneous detection of multiple-gas species by correlation spectroscopy using a multimode diode laser

机译：使用多模二极管激光器通过相关光谱同时检测多种气体

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Simultaneous detection of multiple-gas species has for the first time (to our knowledge) been demonstrated by using a multimode diode-laser-based correlation spectroscopy (MDL-COSPEC) scheme. Concentration measurements of a mixture of CO_(2) and CO gas were performed by probing overlapping line spectra around 1.57 (mu)m using an MDL. Species identification and corresponding quantitive analysis were implemented by correlating the recorded absorption signals of the sample gas mixtures with those of the reference gases of particular interest, attaining accuracies of 2percent and 1percent, respectively. MDL-COSPEC is a generic technique with potential application for simultaneous detection of multiple gases having resolvable narrow lines.

机译：据我们所知，使用基于多模二极管激光器的相关光谱（MDL-COSPEC）方案首次证明了同时检测多种气体。通过使用MDL探测1.57（μ）m左右的重叠线谱来测量CO_（2）和CO气体混合物的浓度。通过将样品气体混合物的记录吸收信号与特别感兴趣的参考气体的吸收信号相关联，实现了物种鉴定和相应的定量分析，精度分别达到2%和1%。MDL-COSPEC是一种通用技术，具有潜在的应用，可用于同时检测具有可分辨窄线的多种气体。

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来源
《Optics Letters》 |2010年第11期|1749-1751|共3页
作者
X. T. Lou; G. Somesfalean; B. ChenY. G. ZhangH. S. WangZ. G. ZhangS. H. WuY. K. Qin;
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作者单位

Department of Physics, Harbin Institute of Technology, Harbin 150001, China;

State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Joint Research Center Photon, Royal Institute Technology Sweden, Hangzhou 310058, China;

National Engineering Laboratory for Coal Combustion Pollutants Control, Harbin 150001, China;

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正文语种英语
中图分类计量学;
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Simultaneous detection of multiple-gas species by correlation spectroscopy using a multimode diode laser

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