High precision axial coordinate readout for an axial 3-D PET detector module using a wave length shifter strip matrix

STRIPS Lyso- Axial symmetry APDS Matrix (chemical analysis)
DOI: 10.1016/j.nima.2007.06.107 Publication Date: 2007-07-12T13:28:11Z
ABSTRACT
We describe a novel method to extract the axial coordinate from a matrix of long axially oriented crystals, which is based on wavelength shifting plastic strips. The method allows building compact 3-D axial gamma detector modules for PET scanners with excellent 3-dimensional spatial, timing and energy resolution while keeping the number of readout channels reasonably low. A voxel resolution of about 10 mm 3 is expected. We assess the performance of the method in two independent ways, using classical PMTs and G-APDs to read out the LYSO (LSO) scintillation crystals and the wavelength shifting strips. We
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