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- Title
Ultrashort electron beams generated on the flat part of a voltage pulse in nitrogen and helium.
- Authors
Baksht, E. Kh.; Tarasenko, V. F.; Lomaev, M. I.; Rybka, D. V.
- Abstract
In the case of voltage pulses with a small amplitude, an ultrashort avalanche electron beam (UAEB) in a diode filled with nitrogen or helium is generated on a flat part of the pulse. UAEBs obtained at a voltage of 25 kV have a full width at half maximum (FWHM) of about 200 ps and are delayed relative to the voltage pulse front by a time reaching tens of nanoseconds. Waveforms of the electron beam current pulse with several peaks of subnanosecond duration have been observed. At elevated pressures in a gas-filled diode, the voltage across the gap decreases by 10–20% during the electron beam generation.
- Subjects
ELECTRON beams; ELECTRIC potential; NITROGEN; HELIUM; DIODES
- Publication
Technical Physics Letters, 2007, Vol 33, Issue 5, p373
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785007050045