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High repetition rate ultrashort laser cuts a path through fog
Lorena de la Cruz, Elise Schubert, Denis Mongin +6
We experimentally demonstrate that the transmission of a 1030~nm, 1.3~ps laser beam of 100 mJ energy through fog increases when its repetition rate increases to the kHz range. Due…
Conductivity and Discharge Guiding Properties of Mid-IR Laser Filaments
Denis Mongin, Valentina Shumakova, Skirmantas Ališauskas +5
The electric conductivity, HV discharge triggering and guiding capabilities of filaments at 3.9 micrometer in air are investigated in the perspective of lightning control applicati…
Dual-scale turbulence in filamenting laser beams at high average power
Elise Schubert, Lorena de la Cruz, Denis Mongin +6
We investigate the self-induced turbulence of high repetition rate laser filaments over a wide range of average powers (1 mW to 100 W) and its sensitivity to external atmospheric t…
Optimal laser pulse energy partitioning for air ionization
Elise Schubert, Jean-Gabriel Brisset, Mary Matthews +3
We investigate the pulse partitioning of a 6.3 mJ, 450 fs pulse at 1030 nm to produce plasma channels. At such moderate energies, splitting the energy into several sub-pulses reduc…