ArticleJournal of applied clinical medical physics2024
Characterization of a commercial plastic scintillator for electron FLASH dosimetry.
Article in Journal of applied clinical medical physics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A systematic review of electron FLASH dosimetry and beam control mechanisms utilized with modified non-clinical LINACs.Journal of applied clinical medical physics · 2025Pooled it
- Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.Medical physics · 2026Article
- InAlN/GaN Detectors for Real-Time Dosimetry in Ultra-High Dose Rate FLASH Radiotherapy.IEEE sensors letters · 2026Article
- Comprehensive characterization and validation of a fast-resolving (1000 Hz) plastic scintillator for ultra-high dose rate electron dosimetry.Medical physics · 2025Article
- Preparations for Ultra-High Dose Rate 25-90 MeV Electron Radiation Experiments with a Compact, High-Peak-Current, X-band Linear Accelerator.Radiation research · 2025Article
- Characterization of a commercial plastic scintillator for electron FLASH dosimetry.Journal of applied clinical medical physics · 2024Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
purposeThis study investigated the potential of a commercially available plastic scintillator, the Exradin W2, as a real-time dosimeter for ultra-high-dose-rate (UHDR) electron beams. This work aimed to characterize this system's performance under UHDR conditions and addressed limitations inherent to other conventional dosimetry systems. METHODS AND MATERIALS: We assessed the W2's performance as a UHDR electron dosimeter using a 16 MeV UHDR electron beam from the FLASH research extension (FLEX) system. Additionally, the vendor provided a beta firmware upgrade to better handle the processing of the high signal generated in the UHDR environment. We evaluated the W2 regarding dose-per-pulse, pulse repetition rate, charge versus distance, and pulse linearity. Absorbed dose measurements were compared against those from a plane-parallel ionization chamber, optically stimulated luminescent dosimeters and radiochromic film.
resultsWe observed that the 1 × 1 mm W2 scintillator with the MAX SD was more suitable for UHDR dosimetry compared to the 1 × 3 mm W2 scintillator, capable of matching film measurements within 2% accuracy for dose-per-pulse up to 3.6 Gy/pulse. The W2 accurately ascertained the inverse square relationship regarding charge versus virtual source distance with R
conclusionsThis study tested a commercial plastic scintillator detector in a UHDR electron beam, paving the way for its potential use as a real-time, patient-specific dosimetry tool for future FLASH radiotherapy treatments. Further research is warranted to test and improve the signal processing of the W2 dosimetry system to accurately measure in UHDR environments using exceedingly high dose-per-pulse and pulse numbers.
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