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Streaked radiography measurements of convergent ablator performance (invited)a)
a)Invited paper, published as part of the Proceedings of the 18th Topical Conference on High-Temperature Plasma Diagnostics, Wildwood, New Jersey, May 2010.
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View: Figures


Image of FIG. 1.
FIG. 1.

Schematic (not to scale) of the OMEGA experimental setup. The vanadium foil is glued on to the slot on the backlighter side of the Hohlraum. A matching slot on the opposite side of the Hohlraum allows x rays to propagate through the imaging slit to the x-ray streak camera. The imaging slit is positioned to magnify the image by a factor of 20.

Image of FIG. 2.
FIG. 2.

A sample x-ray streak image of an imploding capsule from OMEGA showing the entire time history of the implosion from shock compression to shell acceleration to stagnation at 3.3 ns. The timing fiducials are visible at early times.

Image of FIG. 3.
FIG. 3.

Average ablator radius, velocity, , and remaining mass fraction vs time (black diamonds) extracted from the streak in Fig. 2. Data are binned in time allowing average values and statistical errors to be determined (red points with error bars). These points are connected by smoothing splines (solid red lines). Dashed green lines show postshot Lasnex simulations.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Streaked radiography measurements of convergent ablator performance (invited)a)