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Blast wave radiation source measurement experiments on the Z Z-pinch facilitya)
a)Paper QI2 4, Bull. Am. Phys. Soc. 50, 261 (2005).
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Image of FIG. 1.
FIG. 1.

(Color online) Schematic picture of dynamic hohlraum radiation source.

Image of FIG. 2.
FIG. 2.

(Color online) Schematic picture of blast wave experiment on Z. The shock in the foam is observed via radiography using x rays produced by a Z Beamlet Laser- (ZBL) irradiated Mn foil. Drive x rays are measured at the bottom of the DH.

Image of FIG. 3.
FIG. 3.

(Color online) Predictions of shock position vs time for various radiation drive powers. The position of the Z1430 experiment is where the lines cross at and . The calculational uncertainty is the bar crossing the dot-dashed line and the experimental uncertainty is the bar straddling the Z1430 point.

Image of FIG. 4.
FIG. 4.

(Color online) Observed and simulated radiographs using a monochromatic imaging technique with the ZBL laser on Z. The position of the shock is seen at a position above the lower edge of the foam. The ZBL laser fired at . The simulated radiograph is produced from a LASNEX simulation using the radiant power measured leaving from the bottom of the pinch. The ZBL laser is assumed to fire at and have a pulse width of and a spatial resolution of .

Image of FIG. 5.
FIG. 5.

(Color online) The distance traveled by radiation-driven shocks vs the energy deposited by some specified time. The shock position is plotted at that specified time. Two cases are plotted here; one with a peak drive power of and one with . Both drive pulses contain the same total energy but they have different pulse widths.


Generic image for table
Table I.

Error analysis for blast wave experiments.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Blast wave radiation source measurement experiments on the Z Z-pinch facilitya)