Title :
Nanosecond Imaging of Shock- and Jet-Like Features
Author :
Tubman, Eleanor R. ; Crowston, Robert ; Alraddadi, Reem ; Doyle, Hugo W. ; Meinecke, Jena ; Cross, Joseph E. ; Bolis, Riccardo ; Lamb, Donald ; Tzeferacos, Petros ; Doria, Domenico ; Reville, Brian ; Ahmed, Hamad ; Borghesi, Marco ; Gregori, Gianluca ; Wo
Author_Institution :
Dept. of Phys., Univ. of York, York, UK
Abstract :
The production of shock- and collimated jet-like features is recorded from the self-emission of a plasma using a 16- frame camera, which can show the progression of the interaction over short (100s ns) durations. A cluster of laser beams, with intensity 1015 W/cm2, was focused onto a planar aluminum foil to produce a plasma that expanded into 0.7 mbar of argon gas. The acquisition of 16 ultrafast images on a single shot allows prompt spatial and temporal characterization of the plasma and enables the velocity of the jet- and shock-like features to be calculated.
Keywords :
argon; plasma diagnostics; plasma jets; plasma production by laser; plasma shock waves; Ar; argon gas; jet-like features; laser beam cluster; nanosecond imaging; planar aluminum foil; plasma self-emission; shock-like features; spatial characterization; temporal characterization; ultrafast images; Cameras; Educational institutions; Laser beams; Particle beams; Plasmas; Probes; Shock waves; Laser beams; plasma diagnostics; plasmas; shock waves; shock waves.;
Journal_Title :
Plasma Science, IEEE Transactions on
DOI :
10.1109/TPS.2014.2331995
