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26 April 2018 O2(a1Δ) vibrational kinetics in oxygen-iodine laser
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Abstract
Kinetics of vibrationally-excited singlet oxygen O2(a1Δ,ν) in gas mixture O3/N2/CO2 was studied using a pulse laser technique. Molecules O2(a1Δ,ν) were produced by laser photolysis of ozone at 266 nm. The O3 molecules number density was followed using time-resolved absorption spectroscopy. It was found that an upper bound for the rate constant of chemical reaction O2(a1Δ,ν)+ O3 is about 10-15 cm3/s. The rate constants of O2(a1Δ,ν= 1, 2 and 3) quenching by CO2 are presented.
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A. P. Torbin, A. A. Pershin, M. C. Heaven, V. N. Azyazov, and A. M. Mebel "O2(a1Δ) vibrational kinetics in oxygen-iodine laser", Proc. SPIE 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV, 1071705 (26 April 2018); https://doi.org/10.1117/12.2317881
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