Molecular Imaging 2017

Detector Designs used in PET

• One-to-one coupling:

– Single crystals glued to individual photo-detector – Spatial resolution limited by discrete crystal size

• Block detector design:

– Rectangular scintillator – block sectioned by – partial saw cuts of – different depth into – discrete elements – Usually 4 attached PMTs – Anger positioning

Standard block detector design scheme (from [2])