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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 35 — Dec. 10, 2004
  • pp: 6384–6390

OH concentration and temperature measurements by use of near-resonant holographic interferometry

Alexis I. Bishop, Timothy J. McIntyre, Bradley N. Littleton, and Halina Rubinsztein-Dunlop  »View Author Affiliations


Applied Optics, Vol. 43, Issue 35, pp. 6384-6390 (2004)
http://dx.doi.org/10.1364/AO.43.006384


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Abstract

Near-resonant holographic interferometry is demonstrated to measure temperature and species concentration in a two-dimensional steady premixed air–acetylene flame. A peak temperature of (2600 ± 100) K and a peak OH number density of (9.6 ± 0.3) × 1022 m-3 are obtained, consistent with the expected values for such a flame. These values are determined by recording interferograms with a laser assumed sufficiently detuned from line center so that pressure and temperature broadening can be ignored. The results are thus obtained without making prior assumptions on the temperature or pressure of the flame beyond the existence of thermal equilibrium.

© 2004 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2880) Instrumentation, measurement, and metrology : Holographic interferometry

History
Original Manuscript: January 26, 2004
Revised Manuscript: August 13, 2004
Manuscript Accepted: September 20, 2004
Published: December 10, 2004

Citation
Alexis I. Bishop, Timothy J. McIntyre, Bradley N. Littleton, and Halina Rubinsztein-Dunlop, "OH concentration and temperature measurements by use of near-resonant holographic interferometry," Appl. Opt. 43, 6384-6390 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-35-6384

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