Abstract
An optical fibre sensor is presented, based on radioluminescence whereby radiation sensitive scintillation material, terbium doped gadolinium oxysulphide (Gd2O2S:Tb), is embedded in the core of a plastic optical fibre. The sensor is designed for in-vivo monitoring of the radiation dose during radio-active seed implantation for brachytherapy, in prostate cancer treatment, providing oncologists with real-time information of the radiation dose to the target area and/or nearby critical structures. The radiation from the brachytherapy seeds causes emission of visible light from the scintillation material through the process of radioluminescence, which penetrates the fibre, propagating along the optical fibre for remote detection using a multi-pixel photon counter. The sensor demonstrates a high sensitivity to Iodine-125, the radioactive source most commonly used in brachytherapy for treating prostate cancer. Further results show a discernible increase in photon counts for increasing activities of Iodine-125.
| Original language | English |
|---|---|
| Title of host publication | 2015 IEEE SENSORS - Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781479982028 |
| DOIs | |
| Publication status | Published - 31 Dec 2015 |
| Event | 14th IEEE SENSORS - Busan, Korea, Republic of Duration: 1 Nov 2015 → 4 Nov 2015 |
Publication series
| Name | 2015 IEEE SENSORS - Proceedings |
|---|
Conference
| Conference | 14th IEEE SENSORS |
|---|---|
| Country/Territory | Korea, Republic of |
| City | Busan |
| Period | 1/11/15 → 4/11/15 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- brachytherapy
- optical fibre sensor
- radiation dosimetry
- radioluminescence
- radiotherapy
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