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Reducing ion beam noise of vacuum arc ion sources

Description: Vacuum arc ion sources are known for delivering high currents of metal ion beams. By Langmuir probe and Faraday cup measurements it is shown that fluctuations of the ion beam current are due to the fluctuations of plasma density which in turn are due to the explosive nature of plasma production at cathode spots. Humphries and co-workers and later Oks and co-workers have shown that beam fluctuations can be reduced by inserting biased meshes in the plasma. Here, the idea of ion extraction at kV-l… more
Date: August 29, 2001
Creator: Anders, Andre & Hollinger, Ralph
Partner: UNT Libraries Government Documents Department
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