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Experimental study of self magnetic pinch diode as flash radiography source at 4 megavolt
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10.1063/1.4826588
/content/aip/journal/pop/20/10/10.1063/1.4826588
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/10/10.1063/1.4826588
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Illustration of the self magnetic pinch diode.

Image of FIG. 2.
FIG. 2.

Simulated front end of the ASTERIX vacuum line with SMP diode (LSP post-processor).

Image of FIG. 3.
FIG. 3.

3D views of the visible and X-ray imaging diagnostics.

Image of FIG. 4.
FIG. 4.

Visible image of the diode from ICCD camera before shot (static image). The dotted square corresponds to the observation field of the Figure 7 .

Image of FIG. 5.
FIG. 5.

Typical diode current signal (dark blue) and camera gating (a. u.) vs time (ns).

Image of FIG. 6.
FIG. 6.

Measured and calculated (LSP) voltages for a nominal shot.

Image of FIG. 7.
FIG. 7.

Visible images of electrode plasmas, taken 25, 45, 65, and 185 ns after the start of current rise.

Image of FIG. 8.
FIG. 8.

X-ray spot images taken 10, 25, 40, and 55 ns after the beginning of the current rise.

Image of FIG. 9.
FIG. 9.

Interferogram obtained 90 ns after the beginning of the current rise.

Image of FIG. 10.
FIG. 10.

Shadowgraphic image from the streak camera and diode current.

Image of FIG. 11.
FIG. 11.

Diode voltage () and current () in the 7–9 mm AK gap range.

Image of FIG. 12.
FIG. 12.

On axis dose vs AK gap.

Image of FIG. 13.
FIG. 13.

PIN diode signals for different AK gaps.

Image of FIG. 14.
FIG. 14.

Shadowgrams 70 and 105 ns after the beginning of the current rise for 8 mm AK gap (9 mm cathode).

Image of FIG. 15.
FIG. 15.

Lateral visible image (left) and on axis X-ray image (right) for 7 mm AK gap (9 mm cathode). The white arrow indicates the same direction for both images.

Image of FIG. 16.
FIG. 16.

Diode currents () for 9 mm and 12.5 mm cathode (9 mm AK gap).

Image of FIG. 17.
FIG. 17.

Expansion speed of the anode plasmas vs spot size.

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/content/aip/journal/pop/20/10/10.1063/1.4826588
2013-10-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental study of self magnetic pinch diode as flash radiography source at 4 megavolt
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/10/10.1063/1.4826588
10.1063/1.4826588
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