Abstract
Laser-induced fluorescence measurements of OH have been performed in an atmospheric stoichiometric CH4/air flame and in a highly sooting propane flame. The measurements were realized with a single 6-nsec pulse from a frequency-doubled dye laser pumped by a Nd:YAG laser and with a spatial resolution of ~25 µm. This was achieved by imaging through a suitably chosen filter set a section of the laser beam onto a gated and intensified diode array.
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