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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 21 — Jul. 20, 2000
  • pp: 3712–3715

Laser-induced fluorescence of formaldehyde hot bands in flames

Robert J. H. Klein-Douwel, Jorge Luque, Jay B. Jeffries, Gregory P. Smith, and David R. Crosley  »View Author Affiliations


Applied Optics, Vol. 39, Issue 21, pp. 3712-3715 (2000)
http://dx.doi.org/10.1364/AO.39.003712


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Abstract

Laser-induced fluorescence and excitation spectra of formaldehyde in the AX 410 band at 370 nm are recorded in the primary flame front of a Bunsen flame. An examination of partition functions shows that this excitation can minimize temperature bias for formaldehyde in situ diagnostic measurements.

© 2000 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(280.1740) Remote sensing and sensors : Combustion diagnostics
(280.2470) Remote sensing and sensors : Flames
(300.2530) Spectroscopy : Fluorescence, laser-induced

History
Original Manuscript: December 10, 1999
Published: July 20, 2000

Citation
Robert J. H. Klein-Douwel, Jorge Luque, Jay B. Jeffries, Gregory P. Smith, and David R. Crosley, "Laser-induced fluorescence of formaldehyde hot bands in flames," Appl. Opt. 39, 3712-3715 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-21-3712


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References

  1. J. A. Barnard, J. N. Bradley, Flame and Combustion (Chapman & Hall, New York, 1985); I. Glassman, Combustion (Academic, New York, 1987).
  2. J. E. Harrington, K. C. Smyth, “Laser induced fluorescence measurements of formaldehyde in a methane/air diffusion flame,” Chem. Phys. Lett. 202, 196–202 (1993). [CrossRef]
  3. N. L. Garland, (SRI International, Menlo Park, Calif., 1984); D. C. Moule, A. D. Walsh, “Ultraviolet spectrum and excited states of formaldehyde,” Chem. Rev. 75, 67–85 (1975); R. G. Miller, E. K. C. Lee, “Photochemistry of formaldehyde,” J. Chem. Phys. 68, 4448–4464 (1978); J. C. D. Brand, “The electronic spectrum of formaldehyde,” J. Chem. Soc.858–872 (1956).
  4. R. Bombach, B. Kappeli, “Simultaneous visualization of transient species in flames by planar laser induced fluorescence using a single laser system,” Appl. Phys. B 68, 251–255 (1999). [CrossRef]
  5. R. J. H. Klein-Douwel, J. Luque, J. B. Jeffries, G. P. Smith, D. R. Crosley, “CH and CH2O in atmospheric pressure methane/air Bunsen flames,” Western States Section Combustion Institute paper 99F-12 (Combustion Institute, Pittsburgh, Pa., 1999).
  6. J. C. D. Brand, “A coriolis perturbation in the ultraviolet spectrum of formaldehyde,” Trans. Faraday Soc. 46, 805–811 (1950); P. J. Dyke, “The a band of formaldehyde and the relation between the ultraviolet absorption and fluorescence systems,” J. Chem. Phys. 20, 811–818 (1952); J. H. Callomon, K. K. Innes, “Magnetic dipole transition in the electronic spectrum of formaldehyde,” J. Mol. Spectrosc. 10, 166–181 (1963). [CrossRef]
  7. K. Shibuya, R. A. Harger, E. K. C. Lee, “Single vibronic level fluorescence emission spectroscopy and radiative lifetimes of H2CO(A1A2):40 and 41,” J. Chem. Phys. 69, 751–757 (1978). [CrossRef]

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