Design and Development of a Diagnostic System for a Non-Intercepting Direct Measure of the SPIDER Ion Source Beamlet Current. - Tommaso Patton; Alastair Shepherd; Basile Pouradier Duteil; Andrea Rigoni Garola; Matteo Brombin; Valeria Candeloro; Gabriele Manduchi; Mauro Pavei; Roberto Pasqualotto; Antonio Pimazzoni; Marco Siragusa; Gianluigi Serianni; et al. (Sensors, 2023)