ICAP 2002 Abstracts and Posters
Simulation and Design of a High-Brightness Merging Multi-Beamlet Injector
Abstract
In a merging multi-beamlet injector, a large number of
beamlets are
accelerated separately and then merged to form a single
beam.
This design offers a number of potential advantages
over a monolithic single beam injector, such as a smaller
transverse
footprint, more control over the shaping and aiming of the
beam, and
more flexibility in the choice of ion sources.
A drawback however is a potentially larger emittance
resulting from the merging of the beamlets.
We describe the simulations of a merging multi-beamlet
injector, leading to a design that
produces a 0.5 Amp, 1.6 MeV beam of K+ ions, and that can
meet the low normalized emittance requirement of less than
1 pi-mm-mrad.
The design was developed and optimized using the particle
simulation and
envelope solver of the WARP code.
D. P. Grote, E. Henestroza, J. W. Kwan
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