Conference Publication Details
Mandatory Fields
O'Keeffe S.;Fitzpatrick C.;Fernandez A.;Lewis E.;Al-Shamma'A A.
Journal of Physics: Conference Series
Optical fibre sensor for the online monitoring of gamma radiation doses
Optional Fields
The radiation-induced attenuation in poly-methylmethacrylate (PMMA) based plastic optical fibres is monitored online during exposure to gamma radiation, in an investigation in to their use as an intrinsic real-time gamma radiation dosimeter. The PMMA fibre exhibited a linear radiation-induced attenuation response at various wavelengths for a dose range of 50Gy to 50kGy. The sensitivity, ranging from 0.4 dBm-1/kGy to 0.03 dBm-1/kGy, is wavelength dependant, with higher sensitivity at the lower wavelengths. 2007 IOP Publishing Ltd.
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