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- W2034887593 abstract "ABSTRACT With multigap pseudo-spark chambers intense pulsed electron beams are generated by a low pressure discharge in different kinds of gases. The beams propagate in a self-focused man ner through the low pressure gas. This depends on the influence of its own magnetic field and space charge neutralization. After a few millimeters the flight path of the beams hit metallic targets and drills holes of some tenths of millimeters in diameter. In principle the fact of drilling holes is not restricted to metallic materials. This is also possible into organic and inorganic insulators. The main applications for such beams therefore is high quality material processing. Furthermore it is shown to produce wideband soft X-rays. The option of postacceleration of such beams makes it attractive for future accelerators. 1. INTRODUCTION The first reference to a special discharge at low pressure was made by J. Christiansen during the development of gasfilled parallel plate counters1 ' 2 for nuclear and high energy physics. High current sparks were found at low gas pressure near the PASCHEN3 minimum, par ticularly at the edges of the electrodes. There was not simple explanation for their exist ence. Twenty years later4, investigations finally were started to explore this phenomenon. The solution to this high current spark problem was to guide the discharge using central bore holes in the electrodes. This geometry forms the basis of the so-called pseudo-spark chamber. Various applications for the pseudo-spark discharge5/ 6 as a pulsed particle beam source (ions, electrons) or fast power switch? are imaginable with this new geometric lay out." @default.
- W2034887593 created "2016-06-24" @default.
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- W2034887593 date "1988-05-09" @default.
- W2034887593 modified "2023-09-24" @default.
- W2034887593 title "Pulsed, Intense Electron Beams From Pseudo-Spark Discharges" @default.
- W2034887593 doi "https://doi.org/10.1117/12.965102" @default.
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