Leccese, VeronicaCaldara, MicheleBisi, SamuelePagano, MarcelloGargiulo, SimoneTrigila, CarlottaBertsch, ArnaudMapelli, AlessandroCarbone, Fabrizio2024-05-162024-05-162024-05-162024-02-2310.1016/j.nima.2024.169176https://infoscience.epfl.ch/handle/20.500.14299/207966WOS:001208098500001A novel beam profiler based on microstructured scintillation resin is presented. The detector consists of a bundle of waveguides, featuring an active area of 30 x 30 mm2 with a fill factor of 50% and a pitch of 400 mu m. This configuration is obtained by casting a scintillating resin into a microfabricated Polydimethylsiloxane (PDMS) mold. A prototype, coupled to an array of photodiodes and readout electronics, potentially allowing profile rates up to 7 kHz, has undergone testing with an ultraviolet (UV) source and a proton beam accelerated at different energies, typical of those employed in proton therapy. The experimental results obtained during the test campaigns were compared with theoretical simulations demonstrating a good agreement with the modeling expectations, thus confirming the validity of this novel design for microstructured scintillating detectors.TechnologyPhysical SciencesBeam ProfilerScintillatorResinMicrofabricationHigh ResolutionHigh Frame RateMicrostructured plastic scintillators for pencil beam profiling in proton-therapy acceleratorstext::journal::journal article::research article