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A comparison of clinic based dosimeters based on silica optical fibre and plastic optical fibre for in-vivo dosimetry
Date
2017
Abstract
Four sensors based on silica optical fibre and plastic optical fibre for clinical in-vivo dosimetry have been fabricated and tested on site at Galway Clinic. The initial comparison results have been attained for the four sensors when they have been irradiated with beam energies of 6 MV and 15 MV at different dose rates using a modern clinical linear accelerator (Linac) as the radiation source. According to the experimental test results, the sensors based on silica optical fibre exhibit greater sensitivity to the incident radiation beam than the sensors based on plastic optical fibre when they are exposed to identical irradiation conditions. The output intensity from the sensor based on silica fibre is 5 times higher than the sensor based on plastic optical fibre.
Supervisor
Description
peer-reviewed
Publisher
Society of Photo-Optical Instrumentation Engineers (SPIE)
Citation
25th International Conference on Optical Fiber Sensors;10323
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Funding Information
European Research Council (ERC), Irish Research Council (IRC)