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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 24 — Dec. 15, 2009
  • pp: 3857–3859

Gas-phase single-shot thermometry at 1 kHz using fs-CARS spectroscopy

Sukesh Roy, Waruna D. Kulatilaka, Daniel R. Richardson, Robert P. Lucht, and James R. Gord  »View Author Affiliations


Optics Letters, Vol. 34, Issue 24, pp. 3857-3859 (2009)
http://dx.doi.org/10.1364/OL.34.003857


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Abstract

Single-laser-shot temperature measurements at a data rate of 1 kHz employing femtosecond coherent anti-Stokes Raman scattering (fs-CARS) spectroscopy of N 2 are demonstrated. The measurements are performed using a chirped-probe pulse to map the time-dependent frequency-spread dephasing of the Raman coherence, which is created by 80 -fs pump and Stokes beams, into the spectrum of the coherent anti-Stokes Raman scattering signal pulse. Temperature is determined from the spectral shape of the fs-CARS signal for probe delays of 2   ps with respect to the pump-Stokes excitation. The accuracy and precision of the measurements for the 300–2400 K range are found to be 1 % 6 % and 1.5 % 3 % , respectively.

© 2009 Optical Society of America

OCIS Codes
(280.1740) Remote sensing and sensors : Combustion diagnostics
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering
(300.6530) Spectroscopy : Spectroscopy, ultrafast
(320.7150) Ultrafast optics : Ultrafast spectroscopy

ToC Category:
Spectroscopy

History
Original Manuscript: September 22, 2009
Manuscript Accepted: October 21, 2009
Published: December 10, 2009

Citation
Sukesh Roy, Waruna D. Kulatilaka, Daniel R. Richardson, Robert P. Lucht, and James R. Gord, "Gas-phase single-shot thermometry at 1 kHz using fs-CARS spectroscopy," Opt. Lett. 34, 3857-3859 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-24-3857


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References

  1. S. Roy, P. J. Kinnius, R. P. Lucht, and J. R. Gord, Opt. Commun. 281, 319 (2008). [CrossRef]
  2. T. Lang, K.-L. Kompa, and M. Motzkus, Chem. Phys. Lett. 310, 65 (1999). [CrossRef]
  3. P. Beaud, H.-M. Frey, T. Lang, and M. Motzkus, Chem. Phys. Lett. 344, 407 (2001). [CrossRef]
  4. R. P. Lucht, S. Roy, T. R. Meyer, and J. R. Gord, Appl. Phys. Lett. 89, 251112 (2006). [CrossRef]
  5. R. P. Lucht, P. J. Kinnius, S. Roy, and J. R. Gord, J. Chem. Phys. 127, 044316 (2007). [CrossRef] [PubMed]
  6. T. Lang and M. Motzkus, J. Opt. Soc. Am. B 19, 340 (2002). [CrossRef]

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