# INTRACAVITY LASER ABSORPTION SPECTROSCOPY OF FLAMES, HCO RADICAL DETECTION IN METHANE/AIR FLAME

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 Title: INTRACAVITY LASER ABSORPTION SPECTROSCOPY OF FLAMES, HCO RADICAL DETECTION IN METHANE/AIR FLAME Creators: Cheskis, Sergey; Lozovsky, Vladimir A. Issue Date: 1996 Publisher: Ohio State University Abstract: Formyl radical, HCO, was monitored for the first time in an atmospheric pressure premixed hydrocarbon flame Intracavity Laser Absorption Spectroscopy (ICLAS) based on quasi-cw argon-ion pumped dye laser was used HCO absolute concentration profile was also measured in 30 torr flat methane/air flame. The ability of ICLAS to the absolute concentration and temperature measurements in flames is discussed. The sensitivity of the detection the absolute concentration and temperature measurements in flames is discussed. The sensitivity of the detection is 1-10$^{12}$ $cm^{-3}$ and can be improved with isolation of the laser cavity from atmospheric water background. Description: Author Institution: School of Chemistry, Sackler Faculty of Eract Sciences, Tel Aviv University; Institute of Chemical Physics, Russian Academy of Sciences URI: http://hdl.handle.net/1811/13600 Other Identifiers: 1996-TA-06