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Terahertz emission from submicron solid targets irradiated by ultraintense femtosecond laser pulses
J. Déchard, X. Davoine, L. Gremillet +1
Using high-resolution, two-dimensional particle-in-cell simulations, we investigate numerically the mechanisms of terahertz (THz) emissions in submicron-thick carbon solid foils dr…
THz generation from relativistic plasmas driven by near- to far-infrared laser pulses
J. Déchard, X. Davoine, L. Bergé
Terahertz pulse generation by ultra-intense two-color laser fields ionizing gases with near- to far-infrared carrier wavelength is studied from particle-in-cell (PIC) simulations.…
Terahertz vortex wave generation in air plasma by two-color femtosecond laser pulses
Maksym Ivanov, Illia Thiele, Luc Bergé +3
We investigate the generation of broadband terahertz (THz) pulses with phase singularity from air plasmas created by fundamental and second harmonic laser pulses. We show that when…
Picosecond laser filamentation in air
Andreas Schmitt-Sody, Heiko G. Kurz, L. Bergé +2
The propagation of intense picosecond laser pulses in air in the presence of strong nonlinear self-action effects and air ionization is investigated experimentally and numerically.…