Quantitative and Spatially Resolved Measurement of Atomic Potassium in Combustion Using Diode Laser

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Abstract

compact optical setup for quantitative and spatially resolved measurement of atomic alkali concentration in combustion is demonstrated. Tunable diode laser absorption spectroscopy and laser-induced fluorescence are combined using a single continuous wave diode laser to measure the line-integration concentration and the relative distribution simultaneously, thereby obtaining the absolute concentration distribution along the laser beam. The results indicate the good performance of this method for one-dimensional quantitative measurement.

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Authors
Organisations
External organisations
  • Tianjin University
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Other Materials Engineering
  • Energy Engineering
Original languageEnglish
Article number024202
JournalChinese Physics Letters
Volume35
Issue number2
Publication statusPublished - 2018 Feb 1
Publication categoryResearch
Peer-reviewedYes