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Thermoluminescence response of Ge-doped optical fiber dosimeters with different core sizes


Citation

Begumi, Mahfuza and A. K. M., Mizanur Rahman and Abdul Rashid, Hairul Azhar and Wan Yusof, Wan Abdullah and Mohd Noor, Noramaliza and Zulkifli, Mohd Imran and Muhamad-Yasin, S. Z. and Mat-Sharif, K. A. and Tamchek, Nizam and Mat Nawi, Siti Nurasiah and Wahib, Nor Fadira and Mohd Amin, Yusoff and Bradley, David Andrew (2013) Thermoluminescence response of Ge-doped optical fiber dosimeters with different core sizes. In: 2013 IEEE 4th International Conference on Photonics (ICP), 28-30 Oct. 2013, Melaka, Malaysia. (pp. 291-293).

Abstract / Synopsis

Thermoluminescence (TL) properties of five different core diameter of 6 mol% germanium (Ge) doped optical fibers have been investigated for the purpose of TL dosimetry. The optical fiber dosimeter TL properties is compared with commercially available TLD-100 chips (LiF:Mg,Ti). Samples were irradiated using Cobalt-60 standard radiation source ranging from 1Gy to 10 Gy. These fibers show good linear dose response up to 10 Gy. Highest core diameter of Ge doped optical fiber (core 100 μm) provides the best response among all fibers. We observe the larger core fiber show better response than smaller core fiber. The relative sensitivity of 100 μm core optical fiber is 0.26 ± 0.04 with respect to TLD-100 chip.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Science
Faculty of Medicine and Health Science
DOI Number: https://doi.org/10.1109/ICP.2013.6687142
Publisher: IEEE (IEEEXplore)
Keywords: Radiation dosimeter; Doped optical fiber; TLD-IOO; Thermoluminescence (TL)
Depositing User: Nursyafinaz Mohd Noh
Date Deposited: 05 Nov 2015 12:48
Last Modified: 05 Nov 2015 12:48
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1109/ICP.2013.6687142
URI: http://psasir.upm.edu.my/id/eprint/41340
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