1 May 1992 Tomographic absorption spectroscopy of combustion gases using tunable infrared diode lasers
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Abstract
A novel method was developed for tomographic combustion diagnostics using tunable infrared laser absorption spectroscopy. In this method complete spectral profiles are reconstructed rather than at one or a few frequencies. When compared to existing techniques, the new method needs much less prior infonnation about the sample gas and the spectroscopic behavior of the candidate spectral lines. Acklitionally, the new method is much more immune to interference and random noise. The method is demonstrated by CO2 measurements in an axisymmelric flame.
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Xiang Ouyang, Xiang Ouyang, Philip L. Varghese, Philip L. Varghese, John R. Howell, John R. Howell, } "Tomographic absorption spectroscopy of combustion gases using tunable infrared diode lasers", Proc. SPIE 1637, Environmental and Process Monitoring Technologies, (1 May 1992); doi: 10.1117/12.59335; https://doi.org/10.1117/12.59335
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