Laser filamentation
has many applications in remote sensing, air lasing, point-to-point
communications and charge conduction. Also of interest are the photochemical
reactions which are initiated by laser filamentation in humid air (RH >70%)
which lead to nucleation and droplet condensation phenomena in warm conditions
and secondary ice crystal growth in cirrus cloud conditions.
I present an overview of recent work and how this can be applied to climate
models and atmospheric detection of particulate pollution and organic molecules