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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 4 — Feb. 1, 2011
  • pp: A38–A48

Gas-phase thermometry using delayed-probe-pulse picosecond coherent anti-Stokes Raman scattering spectra of H 2

Hans U. Stauffer, Waruna D. Kulatilaka, Paul S. Hsu, James R. Gord, and Sukesh Roy  »View Author Affiliations


Applied Optics, Vol. 50, Issue 4, pp. A38-A48 (2011)
http://dx.doi.org/10.1364/AO.50.000A38


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Abstract

We report the development and application of a simple theoretical model for extracting temperatures from picosecond-laser-based coherent anti-Stokes Raman scattering (CARS) spectra of H 2 obtained using time-delayed probe pulses. This approach addresses the challenges associated with the effects of rotational-level-dependent decay lifetimes on time-delayed probing for CARS thermometry. A simple procedure is presented for accurate temperature determination based on a Boltzmann distribution using delayed-probe-pulse vibrational CARS spectra of H 2 ; this procedure requires measurement at only a select handful of probe-pulse delays and requires no assumptions about sample environment.

© 2011 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(120.6780) Instrumentation, measurement, and metrology : Temperature
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering
(300.6290) Spectroscopy : Spectroscopy, four-wave mixing
(320.5390) Ultrafast optics : Picosecond phenomena

ToC Category:
LASER APPLICATIONS TO CHEMICAL, SECURITY, AND ENVIRONMENTAL ANALYSIS

History
Original Manuscript: August 6, 2010
Revised Manuscript: October 25, 2010
Manuscript Accepted: October 25, 2010
Published: November 30, 2010

Citation
Hans U. Stauffer, Waruna D. Kulatilaka, Paul S. Hsu, James R. Gord, and Sukesh Roy, "Gas-phase thermometry using delayed-probe-pulse picosecond coherent anti-Stokes Raman scattering spectra of H2," Appl. Opt. 50, A38-A48 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-4-A38

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