Abstract
Experiments are described of ion acceleration in diode with insulated anode mounted on two E-beam generators that deliver 2kJ and 1 kJ of energy in 1 MeV; 50 ns and 0.35 MeV, 80 ns pulses accoraingly. The maximum yield of protons 1014±3.1013 with energy in (1.9 + 2.7) MeV range were measured with accompanying electron beam current 18 kA and electron energy 0.8 MeV on 2 kJ maching. The suppression of charging prepulse by inserting a dielectric piece in cathode terminal on it resulted in increased ion energy up to 5 MeV and total yield of protons with energy in the (2.7 + 5) MeV region up to 1013±3.12 By application of several (from 1 to 3) post anode electrodes on 1 kJ machine the. energy of ions were increased up to 4.2 MeV, which corresponds to (Ei/Ee)max = 14.Reproducibility and effectiveness of acceleration processes were investigated.
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