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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 15 — May. 20, 1997
  • pp: 3253–3260

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  »View Author Affiliations


Applied Optics, Vol. 36, Issue 15, pp. 3253-3260 (1997)
http://dx.doi.org/10.1364/AO.36.003253


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Abstract

The accuracy and precision of time-resolved one-dimensional temperature measurements using single-pulse one-dimensional N2 vibrational coherent anti-Stokes Raman scattering along a line have been investigated in air in the temperature range from 300 to 1500 K. For this, the experimental spectra were taken in a high-temperature oven at atmospheric pressure. A planar BOXCARS phase-matching geometry was employed to generate the signal along a 6.16-mm line directed perpendicular to the beam propagation. With the used imaging optics, in this direction a spatial resolution of 86 µm was achieved. Depending on the set temperature, the agreement between the thermocouple readings and the mean values of the evalutated coherent anti-Stokes Raman-scattering temperatures is better than 40 K. The applicability of this new technique for the time-resolved measurement of temperature gradients is demonstrated along a line that crosses the flame front in a premixed laminar CH4–air flame.

© 1997 Optical Society of America

History
Original Manuscript: July 29, 1996
Revised Manuscript: November 1, 1996
Published: May 20, 1997

Citation
J. Jonuscheit, A. Thumann, M. Schenk, T. Seeger, and A. Leipertz, "Accuracy and precision of single-pulse one-dimensional vibrational coherent anti-Stokes Raman-scattering temperature measurements," Appl. Opt. 36, 3253-3260 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-15-3253

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