Accurate Measurements of Combustion Species Concentrations Using CARS (Coherent Antistokes Raman Scattering).
Abstract
We present results of research at the Combustion Research Facility, Sandia National Lab., on improving the capabilities of coherent anti-Stokes Raman spectroscopy (CARS) for species concentration measurements in combustion gases. Scanning CARS experiments based on single- and multi-mode Nd:YAG lasers, and on pulse-amplified and conventional pulsed dye lasers have been used to evaluate an in situ normalization technique, to measure Raman linewidths in flames, and to determine nonresonant electronic susceptibilities. We discuss experimental and theoretical considerations affecting concentration measurement accuracy.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 01, 1986
- Accession Number
- ADP005526
Entities
People
- R. L. Farrow
Organizations
- Sandia National Laboratories