NDLI: Monochromatic X-ray backlighting of dense Z-pinch plasmas using an X-pinch X-ray source

Content Provider	IEEE Xplore Digital Library
Author	Pikuz, S.A. Shelkovenko, T.A. Hammer, D.A. Acton, D.F.
Copyright Year	1997
Description	Author affiliation: P.N. Lebedev Phys. Inst., Acad. of Sci., Moscow, Russia (Pikuz, S.A.)
Abstract	Summary form only given. X-ray backlighting of high density plasmas such as the Z-inches being produced on PBFA-Z can be extremely effective diagnostic tool. Monochromatic X-ray backlighting using imaging X-ray optical elements offers a way to use the backlighting technique with a backlighter X-ray source that is a many-orders-of-magnitude less powerful X-ray source than the plasma being probed. X-pinch plasmas, produced by using 2 or more fine wires as the load of 250-350 kA pulsed power generators, and spherically bent mica crystal X-ray optical elements, have been used to backlight test objects and exploding wire plasmas using monochromatic X-rays ranging from 1.8 keV to 7.8 keV. The field of view can be as large as a few cm by a few mm, and spatial resolution as fine as 4 /spl mu/m has been demonstrated. For example, the He-like Ni line at 1.588 /spl Aring/ has been used to image test objects with spatial resolution of about 10 /spl mu/m. In this case, the backlight source size is about 0.1 mm and the pulse width is /spl sim/1 ns. We estimate that this Ni line powered by a 350 kA pulser could be used as a backlighter of a Z-pinch such as that produced by PBFA-Z having an intensity up to (1-10) kJ//spl Aring/ in the bandwidth of the backlighter line.
File Size	118775
File Format	PDF
ISBN	0780339908
ISSN	07309244
DOI	10.1109/PLASMA.1997.604733
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasma density Plasma x-ray sources X-ray imaging Plasma sources Plasma diagnostics Optical pulse generation Testing Spatial resolution Ultraviolet sources Optical imaging
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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