Investigation into the dynamics of laser-cut foil X-pinches and their potential use for high repetition rate operation

We report on results from experiments using laser-cut X shaped foils (or foil X-pinches) driven by the 250 kA, 150 ns rise-time GenASIS Linear Transformer Driver. Optical probing of the laser-cut foil X-pinches shows considerable dynamic and qualitative similarity with the more traditional wire X-pi...

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Bibliographic Details
Published in:Applied physics letters 2014-07, Vol.105 (2)
Main Authors: Collins, G. W., Valdivia, M. P., Zick, T. O., Kim, J., Haas, D. M., Forsman, A. C., Stephens, R. B., Beg, F. N.
Format: Article
Language:English
Subjects:
Applied physics
Emission
Foils
Laser beam cutting
Lasers
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Summary:We report on results from experiments using laser-cut X shaped foils (or foil X-pinches) driven by the 250 kA, 150 ns rise-time GenASIS Linear Transformer Driver. Optical probing of the laser-cut foil X-pinches shows considerable dynamic and qualitative similarity with the more traditional wire X-pinches. Results demonstrate excellent quality X-ray emission flux, timing, and source size. The foil X-pinches offer advantages such as improved, reproducible cross-point symmetry, and the opportunity for rep-rated operation, which is not possible with conventional X-pinches using wires.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4889748