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The initial stage of single-wire and multi-wire Z-pinch were investigated by X-ray backlighting using an X-pinch as the soft X-ray source. The experiments were carried out on the pulsed power generator PPG-I (400kA/500kV/100ns) which was designed and constructed by Tsinghua University. The source X-pinch and object single-wire or multi-wire Z-pinch are installed in the place of a current-return rod...
Absorption spectroscopy was applied to wire-array Z-pinches on the 1 MA pulsed-power Zebra generator at the Nevada Terawatt Facility (NTF). The 50 TW Leopard laser was coupled with the Zebra generator for X-ray backlighting of wire arrays at the ablation stage. Broadband X-ray emission from a laser-produced Sm plasma was used to backlight Al star wire arrays in the range of 7–9 Å. Two time-integrated...
The initial stage of wire-array Z-pinch by x-ray backlighting using the X-pinch driven by PPG-I, a pulsed power generator with a current of 400 kA in amplitude and 100 ns in pulse width, as x-ray source. The backlighting images show clearly the processes similar to those occurring in the initial stages of a cylindrical wire-array Z-pinch, including the electric explosion of single wires characterized...
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