2021
A layered single-side readout depth of interaction time-of-flight-PET detector
Bläckberg L, Sajedi S, Fakhri G, Sabet H. A layered single-side readout depth of interaction time-of-flight-PET detector. Physics In Medicine And Biology 2021, 66: 045025. PMID: 33570050, PMCID: PMC8130834, DOI: 10.1088/1361-6560/abd592.Peer-Reviewed Original ResearchConceptsDepth of interactionMulti-pixel photon counterDepth-of-interaction determinationDepth-of-interaction informationTime resolutionTime resolution valuesReduced crystal thicknessNon-DOI detectorsOptical photonsScintillator arrayPET detectorsPhoton counterCrystal pixelsReadout schemeCrystal arrayCrystal thicknessTransport simulationsDetectorPhotodetector arrayReadoutPixel sizePhotodetectorsResolution valuesFirst layerSignal amplitude
2020
Limited-angle TOF-PET for intraoperative surgical applications: latest results
Sajedi S, Bläckberg L, Fakhri G, Sabet H. Limited-angle TOF-PET for intraoperative surgical applications: latest results. 2020, 00: 1-3. DOI: 10.1109/nss/mic42677.2020.9507853.Peer-Reviewed Original ResearchCoincidence time resolutionWater phantomTOF-PETSphere-to-background activity ratiosLesion phantomsPET detector moduleDepth of interactionPET detector technologySmall-area detectorsDiameter spheresTime-of-flight (TOFPhantom depthDetector modulesCrystal pixelsDetector technologyDetector headFlight (TOFTime resolutionPhantomReduce FNRDetectorConventional gammaLarger-areaPixel dimensionsAngle geometry
2019
Exploring light confinement in laser-processed LYSO:Ce for photon counting CT application
Bläckberg L, Sajedi S, Mandl S, Mohan A, Vittum B, Fakhri G, Sabet H. Exploring light confinement in laser-processed LYSO:Ce for photon counting CT application. Physics In Medicine And Biology 2019, 64: 095020. PMID: 30897557, PMCID: PMC7191943, DOI: 10.1088/1361-6560/ab1213.Peer-Reviewed Original ResearchConceptsLaser induced optical barriersPhoton counting detectorsLight collection efficiencyCrystal pixelsLYSO:Ce detectorsHigh dose efficiencyPixel arrayCounting detectorsDetector designDose efficiencyOptical barrierPd edgePhotodetector (PDRough interfaceIncreased cross-talkCE detectorCT applicationsDetectorLaser ablationPixel sizeConfinementSmooth ablationLYSOSpatial resolutionCollection efficiency