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HV discharges triggered by dual- and triple-frequency laser filaments

Walch, Pierre
Mahieu, Benoît
Herkommer, Clemens
Jung, Robert
Metzger, Thomas
Michel, Knut
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Published in Optics express. 2019, vol. 27, no. 8, 11339
Abstract We study the use of frequency upconversion schemes of near-IR picosecond laser pulses and compare their ability to guide and trigger electric discharges through filamentation in air. Upconversion, such as Second Harmonic Generation, is favorable for triggering electric discharges for given amount of available laser energy, even taking into account the losses inherent to frequency conversion. We focus on the practical question of optimizing the use of energy from a given available laser system and the potential advantage to use frequency conversion schemes.
Keywords LaserFemtosecondeHaut-voltageHVFemtosecondFilamentFilamentationBicoloreTricolore
arXiv: 1904.07030
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Article (Published version) (2.6 MB) - public document Free access
Research groups Groupe Kasparian
Groupe Wolf
ISE Climat
ISE Pôle Sciences
European Commission: LLR
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PRODUIT, Thomas et al. HV discharges triggered by dual- and triple-frequency laser filaments. In: Optics Express, 2019, vol. 27, n° 8, p. 11339. doi: 10.1364/OE.27.011339 https://archive-ouverte.unige.ch/unige:116056

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Deposited on : 2019-04-10

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