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Production of ozone and nitrogen oxides by laser filamentation

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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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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