Abstract
Pulsed cathodoluminescence of crystals and ceramics was excited by runaway electron beams with a duration of 10–12 ps and electron beams with a duration of 2 ns generated in a vacuum diode. The results of comparative studies of their pulsed cathodoluminescence parameters are presented. The luminescence spectrum and the decay kinetics of the bands are shown to coincide in both cases. When excited by a beam of runaway electrons, a lower luminescence intensity is observed. Also in some cases a delay in the appearance of luminescence relative to the onset of the electron beam action was found. The mechanism for the delay appearance under excitation by a runaway electron beam is associated with the process of luminescence rise.
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