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High power high brightness electron beam generation in a pulse-line driven pseudospark discharge

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5 Author(s)
W. W. Destler ; Dept. of Electr. Eng., Maryland Univ., College Park, MD, USA ; Z. Segalov ; J. Rodgers ; K. Ramaswamy
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High brightness (~3×1010 A/m2rad2 ), high power density (~1010 W/cm2) electron beams have been generated by the mating of a hollow-cathode discharge device operating in the pseudospark regime to the output of a high power pulse line accelerator. Very small diameter (~1 mm) electron beams with currents in the range 500-1000 A and energies in the range 150-300 keV have been generated with measured effective emittances of about 85 mm-mrad. Such emittances are comparable to those achieved in conventional electron beam sources at current densities several orders of magnitude lower than those observed in these experiments

Published in:

Particle Accelerator Conference, 1993., Proceedings of the 1993

Date of Conference:

17-20 May 1993