RECENT DEVELOPMENT IN ECR ION SOURCES AT FLNR JINR

Abstract In the Flerov Laboratory of Nuclear Reactions (JINR) the development of ion sources based on the plasma electrons heating at the frequency of electron cyclotron resonance (ECR) is stimulated by the necessity of the accelerator complex (U-400, U-400M and CI-100 cyclotrons) upgrading as well as by creation of the new high current cyclotrons for basic and applied research. Several ECR ion sources have been operated in the Flerov Laboratory of Nuclear Reactions (JINR) supplying various ion species for the U400 and U400M cyclotrons correspondingly for experiments on the synthesis of heavy and exotic nuclei, using ion beams of stable and radioactive isotopes, for solid state physics experiments and polymer membrane fabrication. In this paper the new development concerned with modernization of ECR4M ion source, development of the new superconducting source DECRIS-SC2 and creation of the DECRIS-5 ion source for the DC-110 cyclotron complex will be presented