skip to primary navigationskip to content
 

Degenerate four-wave mixing spectroscopy and spectral simulation of C-2 in an atmospheric pressure oxy-acetylene flame

Kaminski, CF; Hughes, IG; Ewart, P, "Degenerate four-wave mixing spectroscopy and spectral simulation of C-2 in an atmospheric pressure oxy-acetylene flame", JOURNAL OF CHEMICAL PHYSICS 106:5324-5332(1997), DOI:10.1063/1.473563, | pdf 


Abstract

The d3Πga3Πu Swan bands of C2 have been recorded with high resolution using DFWM in the nearly Doppler free, phase conjugate geometry. C2 was probed in a standard oxy-acetylene welding flame with excellent signal-to-noise ratio and spectral resolution. Theoretical spectra were simulated and fitted directly to the complex overlapping spectra. The good agreement obtained shows that DFWM holds promise to become a robust and reliable tool for flame thermometry. Current theories of DFWM are reviewed in context of the present work and advantages and disadvantages of the technique are discussed