Peer-Reviewed Journal Details
Mandatory Fields
O'Keeffe, S; Fernandez, AF; Fitzpatrick, C; Brichard, B; Lewis, E
2007
October
Measurement Science & Technology
Real-time gamma dosimetry using PMMA optical fibres for applications in the sterilization industry
Published
()
Optional Fields
optical fibre sensor plastic optical fibre gamma radiation dosimetry POLY(METHYL METHACRYLATE) RADIATION DEGRADATION
18
10
3171
3176
The use of polymethylmethacrylate ( PMMA)- based plastic optical fibre as an intrinsic real- time gamma dosimeter is investigated. The radiation- induced attenuation of the fibres is monitored in situ during the course of irradiation. The PMMA fibre exhibited a linear radiation-induced attenuation response at various wavelengths for a dose range of 50 Gy to 50 kGy. The sensitivity, ranging from 0.4 dBm(-1) kGy(-1) to 0.03 dBm(-1) kGy(-1), is wavelength dependent, with high sensitivity at the lower wavelengths.
0957-0233
10.1088/0957-0233/18/10/S19
Grant Details