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A comparison of clinic based dosimeters based on silica optical fibre and plastic optical fibre for in-vivo dosimetry

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conference contribution
posted on 2018-01-26, 18:48 authored by Lingxia Chen, Sinéad O'Keeffe, Peter Woulfe, ELFED LEWISELFED LEWIS
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.

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History

Publication

25th International Conference on Optical Fiber Sensors;10323

Publisher

Society of Photo-Optical Instrumentation Engineers

Note

peer-reviewed

Other Funding information

ERC, IRC

Rights

© 2017Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited

Language

English

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