  It is proposed one universal H-/D- ion source design combining the most
advanced developments in the field of polarized ion sources to provide
high-current high-brightness ion beams with >90% polarization and improved
lifetime, reliability, and power efficiency. The new source utilizes
high-efficiency resonant charge-exchange ionization of polarized neutral atoms
by negative ions generated by cesiated surface-plasma interactions via a
multi-spherical negative ion focusing element. Multi-spherical focusing of the
negative ions strongly suppresses the parasitic generation of unpolarized H-/D-
ions. By incorporating new and novel designs for the dissociator and plasma
generator in parallel with the multi-spherical focusing the design can suppress
adsorption and depolarization of particles from the polarized beam greatly
improving performance over current concepts.
