Szapiro, B., authorRocca, Jorge J., authorVerhey, T., authorAmerican Institute of Physics, publisher2007-01-032007-01-031987Rocca, J. J., B. Szapiro, and T. Verhey, High Current Density Hollow Cathode Electron Beam Source, Applied Physics Letters 50, no. 19 (11 May 1987): 1334-[1336].http://hdl.handle.net/10217/67820An electron beam with current density greater than 30 A/cm2 and total current of 92 A has been generated in 5 μs pulses by accelerating the electrons from a glow discharge in a narrow gap between two grids. The ratio of the extracted electron beam current to discharge current is approximately 1. The gun also operates in a dc mode.born digitalarticleseng©1987 American Institute of Physics.Copyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Text