Author： Wagiran H. Hossain I. Bradley D. Yaakob A. N. H. Ramli T.
Publisher： IOP Publishing
ISSN： 0256-307X
Source： Chinese Physics Letters, Vol.29, Iss.2, 2012-02, pp. : 27802-27804
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Abstract
We carry out a comparison of the thermoluminescence (TL) response of photon and electron irradiated Ge- and Al-doped SiO2 optical fibres, as well as cross-comparison with that of TLD-100. Irradiation is made with 6 MeV electrons and 6 MV photons, for doses ranging from 0.2 Gy to 4.0 Gy. The commercially available Al- and Gedoped optical fibres produce a linear dose-TL response. The TL yield for both of the doped fibres and also for TLD-100 is greater for electron irradiation than for photon irradiation. The TL yield of the Al-doped fibres is a small fraction of that of Ge-doped fibres (by a factor of 25), the Ge-doped fibres offering a response of 59% of that of TLD-100.
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