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Production of ozone and nitrogen oxides by laser filamentation

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Published in Applied Physics Letters. 2010, vol. 97, no. 2, p. 021108
Abstract We have experimentally measured that laser filaments in air generate up to 1014, 3×1012, and 3×1013 molecules of O3, NO, and NO2, respectively. The corresponding local concentrations in the filament active volume are 1016, 3×1014, and 3×1015 cm−3, and allows efficient oxidative chemistry of nitrogen, resulting in concentrations of HNO3 in the parts per million range. The latter forming binary clusters with water, our results provide a plausible pathway for the efficient nucleation recently observed in laser filaments.
Keywords OzoneLaser induced chemistryReaction rate constantsChemical reactionsNucleation
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ISE Climat
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PETIT, Yannick et al. Production of ozone and nitrogen oxides by laser filamentation. In: Applied Physics Letters, 2010, vol. 97, n° 2, p. 021108. https://archive-ouverte.unige.ch/unige:37113

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Deposited on : 2014-06-03

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