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Proceedings Paper

High-current electron beam generator effective self-emission cathode for chemical and excimer lasers filling-up
Author(s): George M. Chumak; A. E. Kravchik; I. P. Krotov; L. M. Lukyanova; S. Y. Maidel
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Paper Abstract

To study parameters of the diode electron gun with the current 80 - 100 kA (current density equals 1000 A/cm2), voltage 0,5 MeV, and pulse length 40 - 80 ns varied cathode materials was undertaken. Vacuum diode cathodes made of stainless steel, carbonic composite material and isotropic pyrographite are active in well-known explosion-emission regime. The cathode made of high-density pyrographite is active during all pulse-time in self-emission regime due to microspaces cooling with material anisotropic thermal and electrical conductivity.

Paper Details

Date Published: 19 April 1993
PDF: 11 pages
Proc. SPIE 1835, Excimer Lasers: Applications, Beam Delivery Systems, and Laser Design, (19 April 1993); doi: 10.1117/12.143044
Show Author Affiliations
George M. Chumak, State Institute of Applied Chemistry (Russia)
A. E. Kravchik, State Institute of Applied Chemistry (Russia)
I. P. Krotov, State Institute of Applied Chemistry (Russia)
L. M. Lukyanova, State Institute of Applied Chemistry (Russia)
S. Y. Maidel, State Institute of Applied Chemistry (Russia)


Published in SPIE Proceedings Vol. 1835:
Excimer Lasers: Applications, Beam Delivery Systems, and Laser Design
James A. Greer, Editor(s)

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