Nanosecond Imaging of Shock- and Jet-Like Features
Plasma Science, IEEE Transactions （2014）
摘要
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.
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关键词
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,Laser beams,plasma diagnostics,plasmas,shock waves,shock waves.
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