Temperature measurement by degenerate four-wave mixing with strong absorption of the excitation beams

G. C. Herring, William Roberts, Michael S. Brown, Peter A. de Barber

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We have made simultaneous temperature measurements by degenerate four-wave mixing (DFWM) and absorption spectroscopy of OH in a CH4–air, lifted-diffusion flame. After we corrected the DFWM data for laser beam absorption of as much as 60%, the DFWM-based temperatures were in good agreement with temperatures derived strictly from the absorption data, as well as a one-dimensional reacting flow simulation.

Original languageEnglish (US)
Pages (from-to)6544-6547
Number of pages4
JournalApplied Optics
Volume35
Issue number33
DOIs
StatePublished - Nov 20 1996

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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