By applying ultra-intense femtosecond laser pulses
and femtosecond-nanosecond pulse sequences, we create
extended plasma channels in ambient air.
Potential applications of these plasmas range from
the remote initiation of transient lasing in the atmosphere
to channeling lightning strikes.
In this project we collaborate with the scientists
from the Jupiter Laser Facility at the Lawrence Livermore
We apply intense laser pulses with exotic beam
shapes for the production of plasma channels and
channel arrays in air. Self-bending Airy beams
produce curved plasma channels while intense optical
vortices generate bottle-like distributions of plasma
channels that can be used for guiding
Physical processes involved in permanent material modification
by ultra-short laser pulses are extremely complex and occur
across vastly dissimilar time scales from femtoseconds
to microseconds. Our research is aimed at the development
of new predictive models describing the physics
of femtosecond laser-matter interactions and at the experimental
validation of these models. In this project we collaborate
with the scientists from the Australian National University
and from the Colorado School of Mines.