ArticleBiomedical optics express2015
Optimizing light transport in scintillation crystals for time-of-flight PET: an experimental and optical Monte Carlo simulation study.
Article in Biomedical optics express, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 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
- A new design to improve time resolution in a time of flight brain PET using dual layer offset scintillator crystals.Scientific reports · 2025Article
- Comprehensive simulation study and preliminary results on various shapes of nanopatterns for light extraction improvement in scintillation crystal.Biomedical engineering letters · 2025Article
- Study of optical reflectors for a 100ps coincidence time resolution TOF-PET detector design.Biomedical physics & engineering express · 2021Article
- Technical Note: Standalone application to generate custom reflectance Look-Up Table for advanced optical Monte Carlo simulation in GATE/Geant4.Medical physics · 2021Article
- A layered single-side readout depth of interaction time-of-flight-PET detector.Physics in medicine and biology · 2021Article
- Use of non-Gaussian time-of-flight kernels for image reconstruction of Monte Carlo simulated data of ultra-fast PET scanners.EJNMMI physics · 2020Article
- Using convolutional neural networks to estimate time-of-flight from PET detector waveforms.Physics in medicine and biology · 2018Article
- Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout.Physics in medicine and biology · 2017Article
- Modelling the transport of optical photons in scintillation detectors for diagnostic and radiotherapy imaging.Physics in medicine and biology · 2017Article
- An integrated model of scintillator-reflector properties for advanced simulations of optical transport.Physics in medicine and biology · 2017Article
- Reaching 200-ps timing resolution in a time-of-flight and depth-of-interaction positron emission tomography detector using phosphor-coated crystals and high-density silicon photomultipliers.Journal of medical imaging (Bellingham, Wash.) · 2016Article
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Authors and funding
3 authors.
Funding
Abstract
Achieving excellent timing resolution in gamma ray detectors is crucial in several applications such as medical imaging with time-of-flight positron emission tomography (TOF-PET). Although many factors impact the overall system timing resolution, the statistical nature of scintillation light, including photon production and transport in the crystal to the photodetector, is typically the limiting factor for modern scintillation detectors. In this study, we investigated the impact of surface treatment, in particular, roughening select areas of otherwise polished crystals, on light transport and timing resolution. A custom Monte Carlo photon tracking tool was used to gain insight into changes in light collection and timing resolution that were observed experimentally: select roughening configurations increased the light collection up to 25% and improved timing resolution by 15% compared to crystals with all polished surfaces. Simulations showed that partial surface roughening caused a greater number of photons to be reflected towards the photodetector and increased the initial rate of photoelectron production. This study provides a simple method to improve timing resolution and light collection in scintillator-based gamma ray detectors, a topic of high importance in the field of TOF-PET. Additionally, we demonstrated utility of our Monte Carlo simulation tool to accurately predict the effect of altering crystal surfaces on light collection and timing resolution.
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