Abstract
We present the results of a computer simulation of the initiation and formation of filaments under conditions of high-power laser pulse scattering on atmospheric aerosols. We demonstrate that the femtosecond filament is robust to the perturbations induced by a disperse medium and can transport a high-fluence energy for long distances. At sufficient pulse power, the intensity perturbations, caused by the interference of light scattered on particles, initiate the generation of filaments and result in multiple filamentation. The results were obtained using the stratified-medium approach of coherent light scattering on an ensemble of aerosol particles.
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