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Applied Optics

Applied Optics


  • Vol. 43, Iss. 30 — Oct. 20, 2004
  • pp: 5682–5690

Quantitative imaging through a spectrograph. 2. Stoichiometry mapping by Raman scattering

René A. L. Tolboom, Nico J. Dam, and Hans ter Meulen  »View Author Affiliations

Applied Optics, Vol. 43, Issue 30, pp. 5682-5690 (2004)

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The Bayesian deconvolution algorithm described in a preceding paper [Appl. Opt. 43, 5669–5681 (2004)] is applied to measurement of the two-dimensional stoichiometry field in a combustible methane-air mixture by Raman imaging through a spectrograph. Stoichiometry (fuel equivalence ratio) is derived from the number density fields of methane and nitrogen, with a signal-to-noise ratio of ∼10 in a 600-laser-shot average. Prospects for single-shot Raman imaging are discussed.

© 2004 Optical Society of America

OCIS Codes
(100.1830) Image processing : Deconvolution
(280.1740) Remote sensing and sensors : Combustion diagnostics
(290.5860) Scattering : Scattering, Raman

Original Manuscript: December 24, 2003
Revised Manuscript: July 16, 2004
Published: October 20, 2004

René A. L. Tolboom, Nico J. Dam, and Hans ter Meulen, "Quantitative imaging through a spectrograph. 2. Stoichiometry mapping by Raman scattering," Appl. Opt. 43, 5682-5690 (2004)

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