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

Bishop, A. I., McIntyre, T. J., Littleton, B. N. and Rubinsztein-Dunlop, H. (2004) OH concentration and temperature measurements by use of near-resonant holographic interferometry. Applied Optics, 43 35: 6384-6390. doi:10.1364/AO.43.006384


Author Bishop, A. I.
McIntyre, T. J.
Littleton, B. N.
Rubinsztein-Dunlop, H.
Title OH concentration and temperature measurements by use of near-resonant holographic interferometry
Journal name Applied Optics   Check publisher's open access policy
ISSN 0003-6935
Publication date 2004-12-01
Sub-type Article (original research)
DOI 10.1364/AO.43.006384
Volume 43
Issue 35
Start page 6384
End page 6390
Total pages 7
Editor Glenn Boreman
Place of publication Washington
Publisher Optical Society of America
Language eng
Subject C1
240400 Optical Physics
780102 Physical sciences
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) X 10(22) 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. (C) 2004 Optical Society of America.
Keyword Optics
Flame
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 14:39:18 EST