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Density measurement of shock compressed foam using two-dimensional x-ray radiography
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View: Figures


Image of FIG. 1.
FIG. 1.

Schematic of the experimental arrangement.

Image of FIG. 2.
FIG. 2.

Radiography of the unshocked target. The left part of the line-out (indicated by the horizontal line through the image) is attenuated part on the signal due to the cold foam; the right part on the line-out is the nonattenuated part on the signal. The signal is fitted using a hyper-Gaussian either attenuated or not.

Image of FIG. 3.
FIG. 3.

Images of the shock at different time delays, the laser comes from the left. (a) 2.7 ns, (b) 4.2 ns, and (c) 6.2 ns. The spot of the left part of the image is due to the bremsstrahlung caused by the interaction of the long pulse laser with the pusher.

Image of FIG. 4.
FIG. 4.

Density and compression profiles along the shock front. from the pusher (black diamond), (dashed curve black circle), (black curve), and (black curve black square) from the pusher. The compression is calculated black diamond curve.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Density measurement of shock compressed foam using two-dimensional x-ray radiography