AVF Cyclotron

cyclotron must be designed that the average magnetic field can match the mass increase of the accelerated particle. Increasing radially magnetic field causes the axial defocusing. It is solved by provided magnetic field Azimuthally Varing Field.




Photo presented by Tohoku University Cyclotron and Radioisotope Center

CHARACTERISTISCS OF THE AVF CYCLOTRON

Model	370V	480	560	750	930
acceleration energy
proton (MeV)	18	4-30	5-42	25-70	6-90
duteron (MeV)	9.5	7-15	10-21	12.5-35	10-50
3He	24	11-40	15-52	20-90	16-130
4He (α)	14	14-30	20-42	25-70	20-100
beam current
proton	50µA	100µA	100µA	100µA	40µA
deuteron	50µA	100µA	100µA	100µA	40µA
3He	10µA	30µA	50µA	30µA	30µA
4He (α)	5µA	50µA	50µA	50µA	50µA