Simultaneous detection of oxygen and soot particles by visible diode laser absorption spectroscopy

Kenji Muta; Manazumi Tanoura; Kohtaro Fujimura; Kimishiro Tokuda

doi:10.1117/12.274760

23 May 1997 Simultaneous detection of oxygen and soot particles by visible diode laser absorption spectroscopy

Kenji Muta, Manazumi Tanoura, Kohtaro Fujimura, Kimishiro Tokuda

Proceedings Volume 3108, Combustion Diagnostics; (1997) https://doi.org/10.1117/12.274760
Event: Environmental Sensing III, 1997, Munich, Germany

Abstract

A technique for simultaneous detection of oxygen molecules and soot particles by means of visible tunable diode laser absorption spectroscopy was investigated. The effects of solid particles on the measurement of oxygen molecules were evaluated using a 760 nm visible diode laser. The maximum solid particle density was 5.6g/m³m, allowing measurement of the concentration of oxygen with sufficient precision. We applied this technique to analysis of real exhaust gas from a large-scale test furnace, and verified that oxygen molecules and soot particles in such gas can be directly measured from a large-scale test plant without pretreatement, such as removal of water vapor and soot.

Citation Download Citation

Kenji Muta, Manazumi Tanoura, Kohtaro Fujimura, and Kimishiro Tokuda "Simultaneous detection of oxygen and soot particles by visible diode laser absorption spectroscopy", Proc. SPIE 3108, Combustion Diagnostics, (23 May 1997); https://doi.org/10.1117/12.274760

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