Abstract
We report on experimental and numerical investigations of femtosecond pulse propagation locally disturbed by the turbulent flow field of a hot-air blower. The experiments show that turbulence may shorten the collapse/filamentation distance and induce the onset of multiple filaments. This is supported by numerical simulations indicating that the high spatial frequency part of the turbulence spectrum plays a significant role.
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Paunescu, G., Spindler, G., Riede, W. et al. Multifilamentation of femtosecond laser pulses induced by small-scale air turbulence. Appl. Phys. B 96, 175–183 (2009). https://doi.org/10.1007/s00340-009-3578-9
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DOI: https://doi.org/10.1007/s00340-009-3578-9