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

Lingxia Chen; Sinead O'Keeffe; Peter Woulfe; Elfed Lewis

doi:10.1117/12.2265032

23 April 2017 A comparison of clinic based dosimeters based on silica optical fibre and plastic optical fibre for in vivo dosimetry

Lingxia Chen, Sinead O'Keeffe, Peter Woulfe, Elfed Lewis

Author Affiliations +

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103237C (2017) https://doi.org/10.1117/12.2265032
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

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.

Citation Download Citation

Lingxia Chen, Sinead O'Keeffe, Peter Woulfe, and Elfed Lewis "A comparison of clinic based dosimeters based on silica optical fibre and plastic optical fibre for in vivo dosimetry", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103237C (23 April 2017); https://doi.org/10.1117/12.2265032

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