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Laser-induced water condensation in air

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Rohwetter, Philipp
Stelmaszczyk, Kamil
Hao, Zuoqiang
Lascoux, Noëlle
Nakaema, Walter M.
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Published in Nature Photonics. 2010, vol. 4, no. 7, p. 451-456
Abstract Triggering rain on demand is an old dream of mankind, with a huge potential socio-economical benefit. To date, efforts have mainly focused on cloud-seeding using silver salt particles. We demonstrate that self-guided ionized filaments generated by ultrashort laser pulses are also able to induce water-cloud condensation in the free, sub-saturated atmosphere. Potential contributing mechanisms include photo-oxidative chemistry and electrostatic effects. As well as revealing the potential for influencing or triggering water precipitation, laser-induced water condensation provides a new tool for the remote sensing of nucleation processes in clouds.
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ROHWETTER, Philipp et al. Laser-induced water condensation in air. In: Nature Photonics, 2010, vol. 4, n° 7, p. 451-456. https://archive-ouverte.unige.ch/unige:37833

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Deposited on : 2014-06-16

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