ArticleMedical physics2021
Technical Note: Standalone application to generate custom reflectance Look-Up Table for advanced optical Monte Carlo simulation in GATE/Geant4.
Article in Medical physics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- optiGAN: a deep learning-based alternative to optical photon tracking in Python-based GATE (10+).Physics in medicine and biology · 2025Article
- Towards large nuclear imaging system optical simulations with optiGAN, a generative adversarial network.Physics in medicine and biology · 2025Article
- Intercrystal Optical Crosstalk in Radiation Detectors: Monte Carlo Modeling and Experimental Validation.IEEE transactions on radiation and plasma medical sciences · 2024Article
- Cloud-based serverless computing enables accelerated monte carlo simulations for nuclear medicine imaging.Biomedical physics & engineering express · 2024Article
- Cherenkov Light Emission in Pure Cherenkov Emitters for Prompt Gamma Imaging.IEEE transactions on radiation and plasma medical sciences · 2024Article
- 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
- Added Value of Scintillating Element in Cerenkov-Induced Photodynamic Therapy.Pharmaceuticals (Basel, Switzerland) · 2023Article
- 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
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3 authors.
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Abstract
purposeThe need for high-fidelity modeling of radiation detectors to perform reliable detector performance optimization using Monte Carlo simulations requires to accurately simulate the light transport in the scintillator and the light collection by the photodetector. In this work, we implement our well-validated crystal reflectance model computed from three-dimensional (3D) crystal surface measurement in a standalone open-source application to allow researchers to generate fully customized crystal reflectance look-up-tables (LUTs) to be used in optical Monte Carlo simulation.
methodsThe LUTDavisModel application can be installed in a few minutes on Windows, macOS, and Linux, using 26 MB of space. MATLAB Runtime is required and is automatically installed with the application. The core algorithm has been previously validated experimentally and implemented in GATE v8.0. The standalone is divided into five panels, each of which performing a specific task: generate LUTs from a combination of surface type, scintillator, and coupling medium available in the database (such as LSO or BGO) or custom; compute LUTs with the reflectors available and custom coupling thickness; create a mixture of coupling media to account for possible defects in the optical coupling; plot precomputed LUTs for visual comparison. Tooltips and errors/warnings facilitate the navigation. The reported computational times were obtained with an Intel Core i7 MacBook Pro.
resultsLUTs can be generated with computational time ranging from a few minutes to several hours depending on the selected surface, sampling, and computational power. A longer time is needed when using rough surfaces and thick coupling media (hundreds of
conclusionsWe developed a user-friendly standalone application to generate LUTs that can be used inside GATE Monte Carlo simulations. It can be easily downloaded, installed, and used. Future optimizations will expand the database, decrease the computational time through greater parallelization, and include the generation of LUTs to study Cerenkov photons transport.
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