Development of the Passive Shock Breakout diagnostic for the laser-plasma interaction.

Details Development of the Passive Shock Breakout diagnostic for the laser-plasma interaction. Development of the Passive Shock Breakout diagnostic for the laser-plasma interaction.

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aps..dppjp1092s&link_type=abstract

American Physical Society, 46th Annual Meeting of the Division of Plasma Physics, 15-19 November, 2004, Savannah, GA. MEETING I

Physics

Plasma Physics

Scientific paper

The passive shock breakout (PSBO) diagnostic is an optical imager that projects an image of a target surface onto the slit of a UV-sensitive streak camera. It relies on shock luminescence to produce the signal, and measures shock velocities by detecting the breakout times of a shock propagating through a stepped target sample. This diagnostic will be used to characterize the hohlraum drive quality and ablator materials. Accurate characterization of hohlraum drive strength and history is an essential need of the inertial confinement fusion and the high energy density science programs. The current design calls for a 1.0m long, F/11.4 Cassegrain telescope, with the primary mirror 42cm in dia. located at 4.5m from the NIF target chamber center (TCC). The telescope image is recorded by a streak camera placed outside the target chamber. The diagnostic will have a resolution of 10um at TCC at magnification 6.0. The system will be capable of selecting 4 discrete fields-of-view with the help of additional lenses. The telescope will have pointing capability, so it can view +/-5 cm at TCC.

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