Terbium-doped gadolinium oxysulfide (Gd2O2S:Tb) scintillation-based polymer optical fibre sensor for real time monitoring of radiation dose in oncology

E. Lewis; S. O'Keeffe; M. Grattan; A. Hounsell; D. McCarthy; P. Woulfe; J. Cronin; L. Mihai; D. Sporea; A. Santhanam; N. Agazaryan

doi:10.1117/12.2058572

15 May 2014 Terbium-doped gadolinium oxysulfide (Gd2O2S:Tb) scintillation-based polymer optical fibre sensor for real time monitoring of radiation dose in oncology

E. Lewis, S. O'Keeffe, M. Grattan, A. Hounsell, D. McCarthy, P. Woulfe, J. Cronin, L. Mihai, D. Sporea, A. Santhanam, N. Agazaryan

Author Affiliations +

Proceedings Volume 9141, Optical Sensing and Detection III; 914113 (2014) https://doi.org/10.1117/12.2058572
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

A PMMA based plastic optical fibre sensor for use in real time radiotherapy dosimetry is presented. The optical fibre tip is coated with a scintillation material, terbium-doped gadolinium oxysulfide (Gd2O2S:Tb), which fluoresces when exposed to ionising radiation (X-Ray). The emitted visible light signal penetrates the sensor optical fibre and propagates along the transmitting fibre at the end of which it is remotely monitored using a fluorescence spectrometer. The results demonstrate good repeatability, with a maximum percentage error of 0.5% and the response is independent of dose rate.

Citation Download Citation

E. Lewis, E. Lewis, S. O'Keeffe, S. O'Keeffe, M. Grattan, M. Grattan, A. Hounsell, A. Hounsell, D. McCarthy, D. McCarthy, P. Woulfe, P. Woulfe, J. Cronin, J. Cronin, L. Mihai, L. Mihai, D. Sporea, D. Sporea, A. Santhanam, A. Santhanam, N. Agazaryan, N. Agazaryan, "Terbium-doped gadolinium oxysulfide (Gd2O2S:Tb) scintillation-based polymer optical fibre sensor for real time monitoring of radiation dose in oncology", Proc. SPIE 9141, Optical Sensing and Detection III, 914113 (15 May 2014); doi: 10.1117/12.2058572; https://doi.org/10.1117/12.2058572

ACCESS THE FULL ARTICLE

PERSONAL SIGN IN
Full access may be available with your subscription

Email or Username Forgot your username?

Password Forgot your password?

Show

Remember Email/Username on this computer

Remember Password

No SPIE account? Create an account
or Institutional Sign In via Shibboleth

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $14.40

Non-members: $18.00 ADD TO CART

Show All Keywords

Keywords/Phrases

Search In:

Publication Years