System description | Description value |
Crystal material | LGSO (LU1.8Gd0.2SiO5:Ce) |
Crystal size (mm3) | 1.4 × 1.4 × 4.5 |
Crystal block | Four layers of 32 × 32 arrays (4,096 crystal elements) |
No. of detector block modules | 36 (12 modules × 3 rings) |
No. of crystals | 147,456 |
Detector ring diameter (mm) | 185 |
Axial FOV (mm) | 155.5 |
Transaxial FOV (mm) | 183.0 |
Energy window | |
DOI, first and second layers | 400–800 keV |
DOI, third and fourth layers | 100–800 keV |
Coincidence window width | 4.5 ns |