Electrostatically-focused ribbon beams employing periodic-cylindrical electron lenses
A brief report of an investigation of the focusing properties of an electrostatic lens formed by segmented electrodes on the surfaces of a coaxial cylindrical system, the average potential of the outer electrodes being Vs, the inner Vc and a differential voltage of 2V being applied between alternate segments.
Nunn, ; M, W; Jr, ; Tan, ; Y, T
Ieee Transactions on Electron Devices
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