Zahlavi

Axial injection

Axial injector of the cyclotron U-120M

Axiální injektor na cyklotronu U-120M

1985–1989

electrostatic version
spiral quadrupoles
equipotential lenses
electrostatic correction plates
not installed on the cyclotron

1990–1995 (GA ČR 102/94/0364)

magnetostatic version
solenoids with Fe structure i.e. B – channel
spiral inflector
two gap first harmonic buncher
ion source CUSP (TRIUMF) 1.3 mA of DC H^- ions
Li ion source (modified Duoplasmatron, Li⁺³ (low beam intensities))
In operation on the cyclotron
Problem: Dee voltage max. 36kV! , p⁺ beam energy limitation!