Abstract
This paper presents the results of experiments on the low-impedance diode formation in the configuration of a rodpinch diode shorted with a radial wire array. It has been found that using an axially asymmetric configuration with a radial wire array instead of an axisymmetric configuration with a radial foil does not substantially modify the focusing of the electron beam on the tip of the rod. Radial wire rod-pinches driven by the MIG generator (1 MV, 2 MA, 80 ns) produce 10-ns long X-ray pulses with the peak dose rate up to 1.1×10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">8</sup> rad/s and the total dose per pulse up to 2 rad. 0.8-mm size point-like X-ray sources attractive for off-axis radiography were observed.
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