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A ferroelectric cathode, electron gun for high power microwave research

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5 Author(s)
Ivers, J.D. ; Lab. of Plasma Studies, Cornell Univ., Ithaca, NY, USA ; Flechtner, D. ; Golkowski, Cz. ; Kerslick, G.S.
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A pulse modulator, previously described at the 1995 PAC meeting, has been reconfigured to improve the pulse shape at a slightly lower beam energy, but with a higher current (500 kV, 1kA). The device has been run at rated voltage and current into a resistive load for pulse durations in excess of 250 ns and at ~0.1 Hz repetition rate. The modulator, which is designed for use in our high power microwave research program, has been coupled to an electron gun which uses a ferroelectric cathode and has been operated in this mode producing a 500 kV, 200 A electron beam. We report in this paper on the revised design and performance of the modulator and present preliminary data on the electron gun design and characteristics

Published in:

Particle Accelerator Conference, 1997. Proceedings of the 1997  (Volume:1 )

Date of Conference:

12-16 May 1997