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Investigation of GaGG:Ce with TOFPET2 ASIC Readout for Applications in Gamma Imaging Systems
2020
Crystals
We investigated two detector modules, each consisting of a 8 × 8 matrix of GaGG:Ce crystals with a crystal size of 3 × 3 × 20 mm3 and a 3.2 mm pitch. The light is collected by a 8 × 8 silicon photomultiplier array, with one silicon photomultiplier matching one crystal. The signals are read out and processed using the TOFPET2 ASIC. Performed laboratory tests of the detectors were performed using a 22Na source, where energy and coincidence time resolution with different optical coupling were
doi:10.3390/cryst10121073
fatcat:vl3y2dfydjby5ezmmelvqpbwiy