O2(a1∆) vibrational kinetics in oxygen-iodine laser

A. P. Torbin; A. A. Pershin; M. C. Heaven; V. N. Azyazov; A. M. Mebel

doi:10.1117/12.2317881

26 April 2018 O₂(a¹_Δ) vibrational kinetics in oxygen-iodine laser

A. P. Torbin, A. A. Pershin, M. C. Heaven, V. N. Azyazov, A. M. Mebel

Proceedings Volume 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV; 1071705 (2018) https://doi.org/10.1117/12.2317881
Event: Saratov Fall Meeting 2017, 2017, Saratov, Russian Federation

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^-15cm³/s. The rate constants of O²(a¹Δ,ν= 1, 2 and 3) quenching by CO₂ are presented.

Citation Download Citation

A. P. Torbin, A. A. Pershin, M. C. Heaven, V. N. Azyazov, and A. M. Mebel "O₂(a¹_Δ) 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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