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Plasma expansion in a negative-polarity rod-pinch diode

Leckbee, Joshua L.; Johnston, Mark D.; Oliver, Bryan V.

The negative-polarity rod-pinch diode is being developed and tested on the RITS-6 accelerator to expand radiographic capabilities. High current densities at the tip of the rod anode generate a plasma which expands at a rate of 2-4 cm μs. Images of visible light captured with a high-speed intensified charge-coupled device camera show the development and expansion of the plasma. © 2006 IEEE.