Scattering and transmission of laser radiation at the heating of low-density foam targets

Experimental study of the radiation scattered at the laser heating of low-d ensity foam targets and transmitted through the targets is presented. The s cattered and transmitted radiations were investigated using spectrometers a nd streak cameras providing spatial, angular, spectral and temporal resolut ions that enabled us to study the dynamics of the process of burning-throug h of the thick foam targets, the velocities of the plasma critical density motion as well as mass velocity of the plasma.