Abstract

Quantitative one-dimensional single-pulse temperature measurements by broadband N₂ vibrational coherent anti-Stokes Raman scattering (CARS) are presented. A planar BOXCARS phase-matching geometry was used to generate the CARS signal along a 6.16-mm path positioned perpendicularly to the beam propagation. Depending on the imaging optics used, a spatial resolution of 86 μm was achieved. The applicability of this technique for measuring temperature gradients is demonstrated in a premixed laminar CH₄–air flame.

© 1996 Optical Society of America

Accuracy and precision of single-pulse one-dimensional vibrational coherent anti-Stokes Raman-scattering temperature measurements

J. Jonuscheit, A. Thumann, M. Schenk, T. Seeger, and A. Leipertz
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Development of multipoint vibrational coherent anti-Stokes Raman spectroscopy for flame applications

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