Two-dimensional imaging of OH in flames by use of polarization spectroscopy
Optics Letters, Vol. 18, Issue 19, pp. 1672-1674 (1993)
http://dx.doi.org/10.1364/OL.18.001672
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Abstract
Two-dimensional imaging of OH radicals in a premixed CH4/O2 flame by polarization spectroscopy is reported. Polarization spectroscopy was applied in a copropagating geometry with linearly polarized pump and probe beams. The images were measured with the laser frequency tuned to resonance with the Q1(9) A2Σ-X2 ∏(0,0) transition of OH. The signal dependence on the crossing angle between the pump and probe beams was also studied. The possibilities for two-dimensional temperature mapping were demonstrated by measuring images at two different rotational lines and by extracting the temperature map from these measurements.
© 1993 Optical Society of America
Citation
K. Nyholm, R. Fritzon, and M. Aldén, "Two-dimensional imaging of OH in flames by use of polarization spectroscopy," Opt. Lett. 18, 1672-1674 (1993)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-18-19-1672
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