Investigation of linear accelerator pulse delivery using fast organic scintillator measurements

Publication: Research - peer-reviewConference article – Annual report year: 2010

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Fiber-coupled organic plastic scintillators present an attractive method for time-resolved dose measurements during radiotherapy. Most organic scintillators exhibit a fast response, making it possible to use them to measure individual high-energy X-ray pulses from a medical linear accelerator. This can be used in complex treatment procedures such as gated intensity-modulated radiotherapy (IMRT)1, where the advantage of dose rate measurements of high temporal resolution is highly emphasized. We report on development of a fast data acquisition scintillator-based system as well as measurements performed on Varian medical linear accelerators, delivering 6 MV X-ray beams. The dose delivery per radiation pulse was found to agree with expectations within roughly 1%, although minor discrepancies and transients were evident in the measurements.
Original languageEnglish
JournalRadiation Measurements
Publication date2010
Volume45
Issue3-6
Pages668-670
ISSN1350-4487
DOIs
StatePublished

Conference

Conference7th European Conference on Luminescent Detectors and Transformers of Ionizing Radiation
Number7
CountryPoland
CityKraków
Period12/07/0917/07/09
CitationsWeb of Science® Times Cited: 6

Keywords

  • Radiation research and nuclear technologies, Radiation physics
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