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

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.
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Submitted on : Wednesday, April 10, 2019 - 11:40:48 AM
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Thomas Produit, Pierre Walch, Guillaume Schimmel, Benoît Mahieu, Clemens Herkommer, et al.. HV discharges triggered by dual- and triple-frequency laser filaments. Optics Express, Optical Society of America - OSA Publishing, 2019, 27 (8), pp.11339. ⟨10.1364/OE.27.011339⟩. ⟨hal-02095173⟩



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