@book{e2677287f6f94330a2d511a27b84a75a,
title = "Investigation of a High Voltage Hollow Cathode Electron Beam Source",
abstract = "An investigation is presented of the possibility of developing an electron accelerator comprising several radiation units with a relatively low power per unit, and without the many elements such as accelerator tube, focusing and scanning systems. A study was desired of an electron gun operated at 200 kV based on the cold, hollow-cathode principle, where problems concentrated on the design of an electrode configuration that could withstand the high voltage at a pressure where a plasma could be generated too. Studies concentrated on the high voltage breakdown criterion in the pressure range 10-3 to 10-2 torr and on the plasma formation in a low pressure gas discharge. Controlled beams with energies up to 130 keV were generated in nitrogen at a pressure of 2 • 10-3 torr with a beam current of about 1 mA in a continuous operation. The high voltage was limited by the existing power supply in the laboratory, however, a decision was taken not to purchase a power supply that could have delivered the required voltage.",
keywords = "Ris{\o}-R-359, Ris{\o} report 359, Ris{\o}-359",
author = "Johnny Hansen",
year = "1977",
language = "English",
isbn = "87-550-0462-8",
series = "Denmark. Forskningscenter Risoe. Risoe-R",
number = "359",
publisher = "Ris{\o} National Laboratory",
}