Journal
RADIATION PHYSICS AND CHEMISTRY
Volume 106, Issue -, Pages 46-49Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2014.06.028
Keywords
Thermoluminescent; Flat optical fiber; Sensitivity; Minimum detectable dose
Funding
- MOHE HIR [A000007-50001, H-21001-00-F000033]
- Universiti Teknologi Malaysia through Research University Grant Scheme (RUGS) [Q.J130000.2526.03H27]
- Strategic Technologies Program, National Plan for Science, Technology and Innovation (NPSTI) in The Kingdom of Saudi Arabia [11-MED1977-02]
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We describe the efforts of finding a new thermoluminescent (TL) media using pure silica flat optical fiber (FF). The present study investigates the dose response, sensitivity, minimum detectable dose and glow curve of FF subjected to 9 MeV electron irradiations with various dose ranges from 0 Gy to 2.5 Gy. The above-mentioned TL properties of the FF are compared with commercially available TLD-100 rods. The TL measurements of the TL media exhibit a linear dose response over the delivered dose using a linear accelerator. We found that the sensitivity of TLD-100 is markedly 6 times greater than that of FF optical fiber. The minimum detectable dose was found to be 0.09 mGy for TLD-100 and 8.22 mGy for FF. Our work may contribute towards the development of a new dosimeter for personal monitoring purposes. (C) 2014 Elsevier Ltd. All rights reserved.
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