October 2021
Beam profile analysis by Faraday-Cup array!
Measurement of the ion beam profiles of the primary beam (see exemplary pictures in (a) and (b)) while operating with argon. The current measurement was carried out by recording the ion current by means of an array of eight Faraday cups. One can clearly observe the different focusing / the different beam divergence, when the ion source is operated with different extraction voltages or rf supply.