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Laser-based foilless diode

Journal Article · · Phys. Rev. Lett.; (United States)

A new foilless diode has been developed that does not require an external magnetic field to control beam expansion of an intense relativistic electron beam (IREB). An ionized channel, formed with use of a laser, extends through the transport region and terminates at the cathode of an IREB accelerator. When a negative potential is applied to the cathode, channel electrons are expelled leaving a positive core that electrostatically attracts and focuses the emitted electrons. A 3.6-MeV, 25-kA electron beam has been generated and transported 1.3 m by use of this technique.

Research Organization:
Sandia National Laboratories, Albuquerque, New Mexico 87185
DOE Contract Number:
AC04-76DP00789
OSTI ID:
6736545
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 58:6; ISSN PRLTA
Country of Publication:
United States
Language:
English