Radiation dosimetry with fiber Bragg gratings

S. Avino; V. D'Avino; A. Giorgini; R. Pacelli; R. Liuzzi; L. Cella; G. Gagliardi; P. De Natale

doi:10.1117/12.2059067

2 June 2014 Radiation dosimetry with fiber Bragg gratings

S. Avino, V. D'Avino, A. Giorgini, R. Pacelli, R. Liuzzi, L. Cella, G. Gagliardi, P. De Natale

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91574L (2014) https://doi.org/10.1117/12.2059067
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

The measurement and monitoring of radiation dose delivered in patient tissues is a critical aspect in radiation therapy. Various dosimeters have proven effective in measuring radiations at low doses. However, there is a growing demand for new dosimeters based on small, non-invasive and high resolution devices. Here we report on a miniature dosimeter based on an optical fiber cavity. We demonstrate an ultimate detection limit of 160 mGy with an effective interaction region of 6 x 10^-4 mm³. Due to its reliability, compactness and biomedical dose level sensitivity, our system shows itself suitable for applications in radiation therapy dosimetry.

Citation Download Citation

S. Avino, V. D'Avino, A. Giorgini, R. Pacelli, R. Liuzzi, L. Cella, G. Gagliardi, and P. De Natale "Radiation dosimetry with fiber Bragg gratings", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574L (2 June 2014); https://doi.org/10.1117/12.2059067

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