2018
Light Spread Manipulation in Scintillators Using Laser Induced Optical Barriers
Bläckberg L, Moebius M, Fakhri G, Mazur E, Sabet H. Light Spread Manipulation in Scintillators Using Laser Induced Optical Barriers. IEEE Transactions On Nuclear Science 2018, 65: 2208-2215. PMID: 30905974, PMCID: PMC6424510, DOI: 10.1109/tns.2018.2809570.Peer-Reviewed Original ResearchDepth of interactionOptical barrierLYSO:Ce detectorsDepth-of-interaction informationLYSO:CeHigh-resolution PET imagesRefractive indexResolution PET imagingScintillation lightScintillation detectorDetector edgesReadout configurationDetector typesMonolithic crystalsBarrier patternsCrystal bulkCE detectorScintillationDetectorLYSOLiOBPixel arrayPET imagingLaserLight transport simulation
2017
Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout
Bläckberg L, Fakhri G, Sabet H. Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout. Physics In Medicine And Biology 2017, 62: 8419-8440. PMID: 29047453, PMCID: PMC5736368, DOI: 10.1088/1361-6560/aa8dea.Peer-Reviewed Original ResearchConceptsDetector typesLYSO:Ce detectorsLYSO:Ce crystalsBarrier refractive indexScintillation light transportImproved energy resolutionRefractive indexLaser-processed crystalsCollection efficiencyLight transportPixel-like patternScintillation lightMPPC arraysEnergy resolutionPixel arrayDOI informationPulsed laser beamLight response functionLine profilesCe crystalsMonolithic crystalsBarrier patternsCrystal bulkTime resolutionCE detector
2016
Light Transport in PET Scintillator Detectors Fabricated Using Laser Induced Optical Barriers
Bläckberg L, Ozsahin D, Moghadam N, Fakhri G, Sabet H. Light Transport in PET Scintillator Detectors Fabricated Using Laser Induced Optical Barriers. 2016, 1-4. DOI: 10.1109/nssmic.2016.8069523.Peer-Reviewed Original ResearchPixel-like patternOptical barrierLYSO:Ce crystalsLaser-processed crystalsSensitive scintillation detectorTransverse spatial resolutionLight transportScintillation lightScintillation detectorDOI informationReadout detectorsAnimal positron emission tomographyDetector fabricationLight response functionCe crystalsMonolithic crystalsFunction of source locationPixel pitchLiOBPulsed laserPhotodetector arrayRefractive indexCrystal depthResponse functionSpatial resolutionScintillator-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 techniqueNovel laser‐processed CsI:Tl detector for SPECT
Sabet H, Bläckberg L, Uzun-Ozsahin D, El-Fakhri G. Novel laser‐processed CsI:Tl detector for SPECT. Medical Physics 2016, 43: 2630-2638. PMID: 27147372, PMCID: PMC5148208, DOI: 10.1118/1.4947294.Peer-Reviewed Original ResearchConceptsOptical barrierPeak-to-valley (P/VCsI:Tl crystalsCrystal bulkMultipixel photon counterPixel-like patternScintillation lightEnergy resolutionKeV gammasPixelated scintillatorScintillator samplesPhoton counterTL detectorsTl crystalsFabricated detectorScintillationCrystal thicknessSpatial resolutionPixel arrayDetectorBarrier patternsFabricated arraysCSICrystalBulk