Abstract:
In order to respond to the scintillator screening requirements of large scientific projects and the new medical imaging equipment such as the development of large-scale collider experimental detectors, space load calorimeters and TOF-PET, our laboratory conducts research on the scintillation performance (emission spectrum, light output, energy resolution, decay time, afterglow, coincidence time resolution, etc.) of scintillators. A complete set of inorganic scintillator performance test programs is designed for the optimal performance of different scintillator samples. In the test of emission spectrum, different excitation sources were selected for comparison test. The energy resolution and the test conditions of the scintillation performance such as time resolution were optimized, which were successfully applied to the performance research of popular scintillators including cerium-doped yttrium lutetium silicate (LYSO: Ce) and gadolinium aluminum gallium garnet (GAGG: Ce), and good test results were obtained. The energy resolution of LYSO: Ce and ceramic GAGG: Ce scintillators are 7.9% and 5.4%, respectively, and the coincidence time resolution of the LYSO: Ce scintillator can reach 94.3 ps.
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Abstract: In order to respond to the scintillator screening requirements of large scientific projects and the new medical imaging equipment such as the development of large-scale collider experimental detectors, space load calorimeters and TOF-PET, our laboratory conducts research on the scintillation performance (emission spectrum, light output, energy resolution, decay time, afterglow, coincidence time resolution, etc.) of scintillators. A complete set of inorganic scintillator performance test programs is designed for the optimal performance of different scintillator samples. In the test of emission spectrum, different excitation sources were selected for comparison test. The energy resolution and the test conditions of the scintillation performance such as time resolution were optimized, which were successfully applied to the performance research of popular scintillators including cerium-doped yttrium lutetium silicate (LYSO: Ce) and gadolinium aluminum gallium garnet (GAGG: Ce), and good test results were obtained. The energy resolution of LYSO: Ce and ceramic GAGG: Ce scintillators are 7.9% and 5.4%, respectively, and the coincidence time resolution of the LYSO: Ce scintillator can reach 94.3 ps.
