Formation of axially modulated plasma strings by filamentation of interfering femtosecond Bessel beams

Fatemeh Mansourimanesh, Amirreza Sadeghpour, Daryoush Abdollahpour

We numerically investigate the formation of axially modulated plasma strings through the filamentation of two interfering femtosecond Bessel beams. The constituent Bessel beams hav…