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Scientific article
Open access
English

Multijoule scaling of laser-induced condensation in air

Published inApplied physics letters, vol. 99, no. 14, 141103
Publication date2011
Abstract

Using 100 TW laser pulses, we demonstrate that laser-induced nanometric particle generation in air increases much faster than the beam-averaged incident intensity. This increase is due to a contribution from the photon bath, which adds up with the previously identified one from the filaments and becomes dominant above 550 GW/cm2. It appears related to ozone formation via multiphotondissociation of the oxygen molecules and demonstrates the critical need for further increasing the laser energy in view of macroscopic effects in laser-induced condensation.

Keywords
  • Ozone
  • Condensation
  • Photons
  • Nanoparticles
  • Particle generation
Citation (ISO format)
PETRARCA, Massimo et al. Multijoule scaling of laser-induced condensation in air. In: Applied physics letters, 2011, vol. 99, n° 14, p. 141103. doi: 10.1063/1.3646397
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Article (Published version)
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ISSN of the journal0003-6951
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