High power high brightness electron beam generation in a pulse-line driven pseudospark discharge
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Date
1993-05-17Author
Destler, William
Segalov, Z.
Rodgers, J.
Ramaswamy, K.
Reiser, M.
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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
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