High power, high brightness electron beam generation in a pulse-line driven pseudospark discharge
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Date
1993Author
Destler, William
Segalov, Z.
Rodgers, J.
Ramaswamy, K.
Reiser, M.
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Show full item recordAbstract
High brightness (m 3 x 10" A/m2rad2), high
power density (- 1O1O 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 (w 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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