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HV discharge acceleration by sequences of UV laser filaments with visible and near-infrared pulses
Elise Schubert, Ali Rastegari, Chengyong Feng +6
We investigate the triggering and guiding of DC high-voltage discharges over a distance of 37 cm by filaments produced by ultraviolet (266 nm) laser pulses of 200 ps duration. The…
Spectral up- and downshifting of Akhmediev breathers under wind forcing
D. Eeltink, A. Lemoine, H. Branger +6
We experimentally and numerically investigate the effect of wind forcing on the spectral dynamics of Akhmediev breathers, a wave-type known to model the modulation instability. We…
Nonlinear stage of Benjamin-Feir instability in forced/damped deep water waves
Andrea Armaroli, Debbie Eeltink, Maura Brunetti +1
We study a three-wave truncation of a recently proposed damped/forced high-order nonlinear Schrödinger equation for deep-water gravity waves under the effect of wind and viscosity.…
Time-resolved monitoring of polycyclic aromatic hydrocarbons adsorbed on atmospheric particles
Gustavo Sousa, Denis Kiselev, Jérôme Kasparian +5
Real-time monitoring of individual particles from atmospheric aerosols was performed by means of a specifically developed single-particle fluorescence spectrometer (SPFS). The obse…
Linearity of charge measurement in laser filaments
Denis Mongin, Elise Schubert, Lorena de la Cruz +3
We evaluate the linearity of three electric measurement techniques of the initial electron density in laser filaments by comparing their results for a pair of filaments and for the…
Recurrence in the high-order nonlinear Schrödinger equation: a low dimensional analysis
Andrea Armaroli, Maura Brunetti, Jérôme Kasparian
We study a three-wave truncation of the high-order nonlinear Schrödinger equation for deepwater waves (HONLS, also named Dysthe equation). We validate our approach by comparing it…