Abstract
The most important developments in the field of ion sources at INFN-LNS, Catania, have been based on the generation of warm plasmas by means of microwaves at different frequencies ranging from 2.45 GHz to 28 GHz. Different Electron Cyclotron Resonance Ion Sources (ECRIS) have been designed and built, in particular SERSE and CAESAR are working for the Supereonducting Cyclotron at LNS, at the operating frequency of 14, 18 and 28 GHz. The design of an innovative source to be operated at 28 or 35 GHz, named GyroSERSE, has been completed, with the aim to provide mA beams of highly charged heavy ions. This kind of design is particularly suited for the beam injectors of accelerator facilities to be built in the next decade. Three different 2.45 GHz microwave discharge ion sources (MDIS) have also been built for different purposes: to obtain high efficiency ionization for RIB production or to produce high current proton beam for Accelerator Driven System (ADS). A fourth compact one, with permanent magnets, is under construction. The description of these equipments will be carried out, along with the results of the hybrid ion source, consisting of a laser-generated plasma source coupled to the SERSE high performance ECRIS.
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