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  • Vol. 20, Iss. 10 — May. 15, 1995
  • pp: 1189–1191

Collisional Raman linewidths of nitrogen at high temperature (1700–2400 K)

B. Lavorel, L. Guillot, J. Bonamy, and D. Robert  »View Author Affiliations


Optics Letters, Vol. 20, Issue 10, pp. 1189-1191 (1995)
http://dx.doi.org/10.1364/OL.20.001189


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Abstract

New high-temperature measurements of collisional linewidths of the Raman Q branch of nitrogen have been performed at 1700–2400 K with stimulated Raman spectroscopy in a tungsten filament. We fitted these data together with previous data obtained in the 295–1500-K range to redetermine the parameters of the relaxation models used in coherent anti-Stokes Raman spectroscopy thermometry. The improvement in the accuracy of the temperature measurement has been checked. Semiclassical calculations of linewidths in the 1700–2400-K range agree with the experimental data and have been extended to even higher temperatures.

© 1995 Optical Society of America

History
Original Manuscript: November 23, 1994
Published: May 15, 1995

Citation
B. Lavorel, J. Bonamy, D. Robert, and L. Guillot, "Collisional Raman linewidths of nitrogen at high temperature (1700–2400 K)," Opt. Lett. 20, 1189-1191 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-10-1189


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References

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