Abstract
The multiple filamentation of collimated beams delivered by the teramobile laser was investigated for power upto several terawatts (TW). Long-range filaments were initiated by the most intense fluctuations of the input beam and persisted over several tens of meters. The small-scale spots arised and recurred rapidly in the diffraction plane in agreement with the optically turbulent light guides. The evolution of the filament patterns were qualitatively reproduced by an averaged-in-time-dimensional model derived from the propagation equations for ultrashort pulses.
Original language | English |
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Article number | 225002 |
Pages (from-to) | 225002-1-225002-4 |
Journal | Physical Review Letters |
Volume | 92 |
Issue number | 22 |
DOIs | |
State | Published - Jul 4 2004 |
Externally published | Yes |
Funding
Experiments were realized in the framework of the Teramobile Project, funded jointly by CNRS and DFG.