Abstract
The results from the foil liner implosion on a 2-MA generator are reported. To sharpen the front of the current through the liner up to several nanoseconds, the liner area is prefilled with plasma with a density of 1016–1017 cm−3. The current switches to the liner in the process of sweeping the injected plasma by J × B force. The nanosecond rise time of the current through the liner makes it possible to reduce its initial radius to less than 1 mm and use available foil to fabricate the liner. In the experiment, liners with initial diameters of 0.65–2.0 mm made out of 8-μm-thick aluminum foil were imploded in 6–27 ns.
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