ArticlePhysics in medicine and biology2017
Advanced optical simulation of scintillation detectors in GATE V8.0: first implementation of a reflectance model based on measured data.
Article in Physics in medicine and biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Experimental validation of Davis LUT module with photonic crystals for GATE simulations.Physics in medicine and biology · 2026Article
- Current Status of Cherenkov-Based Gamma Detectors for TOF-PET and Proton Range Verification.IEEE transactions on radiation and plasma medical sciences · 2026Article
- A new design to improve time resolution in a time of flight brain PET using dual layer offset scintillator crystals.Scientific reports · 2025Article
- Implementation of Photonic Crystals into Davis LUT module for GATE simulation.IEEE transactions on radiation and plasma medical sciences · 2025Article
- Optimization of the Pixel Design for Large Gamma Cameras Based on Silicon Photomultipliers.Sensors (Basel, Switzerland) · 2024Article
- Intercrystal Optical Crosstalk in Radiation Detectors: Monte Carlo Modeling and Experimental Validation.IEEE transactions on radiation and plasma medical sciences · 2024Article
- Timing Estimation and Limits in TOF-PET Detectors Producing Prompt Photons.IEEE transactions on radiation and plasma medical sciences · 2023Article
- Potential of Depth-of-Interaction-Based Detection Time Correction in Cherenkov Emitter Crystals for TOF-PET.IEEE transactions on radiation and plasma medical sciences · 2023Article
- The Accuracy of Cerenkov Photons Simulation in Geant4/Gate Depends on the Parameterization of Primary Electron Propagation.Frontiers in physics · 2022Article
- Effect of crystal-photodetector interface extraction efficiency on Cerenkov photons' detection time.Frontiers in physics · 2022Article
- Integration of polarization in the LUTDavis model for optical Monte Carlo simulation in radiation detectors.Physics in medicine and biology · 2021Article
- Optimization of scintillator-reflector optical interfaces for the LUT Davis model.Medical physics · 2021Article
- Study of Čerenkov Light Emission in the Semiconductors TlBr and TlCl for TOF-PET.IEEE transactions on radiation and plasma medical sciences · 2021Article
- Technical Note: Standalone application to generate custom reflectance Look-Up Table for advanced optical Monte Carlo simulation in GATE/Geant4.Medical physics · 2021Article
- Advanced Monte Carlo simulations of emission tomography imaging systems with GATE.Physics in medicine and biology · 2021Review
- Use of non-Gaussian time-of-flight kernels for image reconstruction of Monte Carlo simulated data of ultra-fast PET scanners.EJNMMI physics · 2020Article
- Monte Carlo simulation of digital photon counting PET.EJNMMI physics · 2020Article
- Dual-ended readout of bismuth germanate to improve timing resolution in time-of-flight PET.Physics in medicine and biology · 2019Article
- Cerenkov light transport in scintillation crystals explained: realistic simulation with GATE.Biomedical physics & engineering express · 2019Article
- Modelling the transport of optical photons in scintillation detectors for diagnostic and radiotherapy imaging.Physics in medicine and biology · 2017Article
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5 authors.
Funding
Abstract
Typical PET detectors are composed of a scintillator coupled to a photodetector that detects scintillation photons produced when high energy gamma photons interact with the crystal. A critical performance factor is the collection efficiency of these scintillation photons, which can be optimized through simulation. Accurate modelling of photon interactions with crystal surfaces is essential in optical simulations, but the existing UNIFIED model in GATE is often inaccurate, especially for rough surfaces. Previously a new approach for modelling surface reflections based on measured surfaces was validated using custom Monte Carlo code. In this work, the LUT Davis model is implemented and validated in GATE and GEANT4, and is made accessible for all users in the nuclear imaging research community. Look-up-tables (LUTs) from various crystal surfaces are calculated based on measured surfaces obtained by atomic force microscopy. The LUTs include photon reflection probabilities and directions depending on incidence angle. We provide LUTs for rough and polished surfaces with different reflectors and coupling media. Validation parameters include light output measured at different depths of interaction in the crystal and photon track lengths, as both parameters are strongly dependent on reflector characteristics and distinguish between models. Results from the GATE/GEANT4 beta version are compared to those from our custom code and experimental data, as well as the UNIFIED model. GATE simulations with the LUT Davis model show average variations in light output of <2% from the custom code and excellent agreement for track lengths with R
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