Postfilamentation light channels in the air

摘要

The results of experimental studies of spatial characteristics postfilamentation light channels formed in the propagation of a focused single pulse Ti: Sapphire femtosecond laser in the air. The dynamics postfilamentation light channels along the distance of the laser beam after focusing. Determine the angular divergence of the channels upon filamentation focused and collimated beams. The effect of the initial pulse energy on the size of the light channel and a laser beam as a whole away from the focus of the system.