Optimization of gun parameters for a pulsed power electron gun

Journal Article · Mon Jul 12 00:00:00 EDT 1999 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.58882· OSTI ID:21205430

Srinivasan-Rao, T; Smedley, J; Batchelor, K; Farrell, J P; Dudnikova, G ^[1]

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1. Brookhaven National Laboratory, Upton, New York 11973 (United States)

Extensive simulation work has been done to identify the optimal parameters for a pulsed power electron gun. PBGUNS, an electrostatic beam optics code, was used to optimize the electrode shape and the beam spatial distribution, including modeling the focusing effect of a curved cathode surface. MAFIA, a particle-in-a-cell code, was used to investigate those aspects that required time dependence, such as longitudinal energy spread. The range of agreement between the two codes was also investigated. The transverse phase space at a comparison plane was found to be very close (within 1% at low currents and 4% for higher currents), even for bunch lengths shorter than the gap transit time.

• OSTI ID: 21205430
• Journal Information: AIP Conference Proceedings, Vol. 472, Issue 1; Conference: 8. workshop on advanced accelerator concepts, Baltimore, MD (United States), 6-11 Jul 1998; Other Information: DOI: 10.1063/1.58882; (c) 1999 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ACCELERATORS
BEAM BUNCHING
BEAM CURRENTS
BEAM MONITORING
BEAM OPTICS
CATHODES
COMPARATIVE EVALUATIONS
COMPUTERIZED SIMULATION
ELECTRON BEAMS
ELECTRON GUNS
ELECTRON SOURCES
FOCUSING
M CODES
OPTIMIZATION
P CODES
PHASE SPACE
RELATIVISTIC RANGE
SPATIAL DISTRIBUTION
TIME DEPENDENCE