Thermoluminescence Characteristics of Cylindrical Optical Fibers with Different Diameters in Radiation Dosimetry Subjected to Electron Irradiation

Abstract:

Thermoluminescence (TL) characteristics for various cross-sections of 6 mole% of tailor-made Ge-doped cylindrical optical fibers were determined. The general TL characteristic i.e., dose rate dependence, energy dependence, dose response and reproducibility of the samples have been investigated. The samples were irradiated using electron beam (Linac) and been exposed to dose ranging from 1 to 4 Gy. The cylindrical optical fibers provide highly linear dose response within the clinical relevant dose range, independence of radiation energy over the range of energies investigated, independence of dose rate and excellent reproducibility. This research shows that germanium doped silica fibers have high potential of dosimetric properties and suitable as TL-mode detectors in instances of radiotherapy (clinical dosimetry).

• Periodical: Advanced Materials Research (Volume 1133)
• Pages: 409-413
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1133.409
• Online since: January 2016
• Authors: Siti Nurasiah Mat Nawi*, Norfadira Wahib, Nurul Najua Zulkepely, Yusoff Mohd Amin, Ung Ngie Min, David Andrew Bradley, Siti Fairus Abdul Sani, Mohd Jamil Maah
• Keywords: Cylindrical Optical Fiber, Dosimetry, Electron Beam, Thermoluminescence

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