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
High Sensitivity and High Resolution Dynamic Brain-Dedicated TOF-DOI PET Scanner
Bläckberg L, Sanchez D, Borghi G, Ballabriga R, Sajedi S, Gómez S, Fakhri G, Mazzi A, Paternoster G, Majewski S, Gola A, Gascón D, Sabet H. High Sensitivity and High Resolution Dynamic Brain-Dedicated TOF-DOI PET Scanner. 2020, 00: 1-5. DOI: 10.1109/nss/mic42677.2020.9507837.Peer-Reviewed Original ResearchCoincidence time resolutionField of viewFWHM coincidence timing resolutionTime resolutionIntrinsic detector resolutionLow noise ASICsLYSO scintillator arrayScintillator arraySiPM arrayDetector conceptLYSO crystalsDetector volumeDetector resolutionPET detectorsSiPM signalsReduce image blurringDOI positionsHigh PDEPET scannerTiming jitterSimultaneous high resolutionScanner designTransport simulationsDetectorIntegrated light sensors
2016
Scintillator-Based Photon Counting Detector: Is it Feasible?
Bläckberg L, Moebius M, Moghadam N, Uzun-Ozsahin D, Mazur E, Fakhri G, Sabet H. Scintillator-Based Photon Counting Detector: Is it Feasible? 2016, 1-5. DOI: 10.1109/nssmic.2016.8069382.Peer-Reviewed Original ResearchLaser induced optical barriersPhoton counting detectorsScintillator arrayOptical barrierBarrier refractive indexRefractive indexApplication Specific Integrated CircuitFast decay timeHigh light outputBuilt-in photodiodeScintillation lightLYSO crystalsCounting detectorsScintillator pixelsEnergy windowAtomic numberScintillationDecay timeLight outputLaserDetectorTransparent crystalsCrystalIntegrated circuitsLaser cutting technique
2014
Novel Cost-Effective and High-Performance Modular Detectors for Emission Tomography Systems
Sabet H, El-Fakhri G. Novel Cost-Effective and High-Performance Modular Detectors for Emission Tomography Systems. 2014, 1-3. DOI: 10.1109/nssmic.2014.7430755.Peer-Reviewed Original ResearchLaser induced optical barriersScintillation light spreadIncident gamma raysInter-pixel gapEmission tomography systemSpatial resolutionScintillator arrayGamma raysOptical barrierMechanical pixelationAnimal PETCE arrayLow packing fractionScintillationSmall-animal PETTomography systemSPECT imagesCross-sectionPixel separationArray fabricationLYSOPacking fractionRaysResolutionProcess yield