A source of hard X-ray radiation based on hybrid X pinches

X pinches are well known to produce very small, dense plasma pinches (“hot spots”) that emit sub-nanosecond bursts of 1–8 keV radiation. Hard X-ray radiation in the range from 8 to 300 keV or more is also emitted, and only a small portion of which is associated with the X-pinch hot spot. In hybrid X...

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Bibliographic Details
Published in:Physics of plasmas 2016-10, Vol.23 (10)
Main Authors: Shelkovenko, T. A., Pikuz, S. A., Hoyt, C. L., Cahill, A. D., Atoyan, L., Hammer, D. A., Tilikin, I. N., Mingaleev, A. R., Romanova, V. M., Agafonov, A. V.
Format: Article
Language:English
Subjects:
Dense plasmas
Electrodes
Plasma physics
Spatial resolution
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Summary:X pinches are well known to produce very small, dense plasma pinches (“hot spots”) that emit sub-nanosecond bursts of 1–8 keV radiation. Hard X-ray radiation in the range from 8 to 300 keV or more is also emitted, and only a small portion of which is associated with the X-pinch hot spot. In hybrid X-pinches (HXP), the  10 ns hard X-ray pulse is terminated by fast closure of the gap between the two conical electrodes of the HXP by rapidly expanding electrode plasmas. The temporal, spectral, and spatial properties of this higher energy radiation have been studied. This radiation was used for point-projection imaging with magnification between 1.5 and 6, and spatial resolution of 20–100 μm was demonstrated.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4964771