Universiti Teknologi Malaysia Institutional Repository

Optical fiber based dosimeter sensor: Beyond TLD-100 limits

Mandiraji, G. A. and Ghomeishi, M. and Dermosesian, E. and Hashim, S. and Ung, N. M. and Adikan, F. R. M. and Bradley, D. A. (2015) Optical fiber based dosimeter sensor: Beyond TLD-100 limits. Sensors And Actuators, A: Physical, 222 . pp. 48-57. ISSN 0922-6168

Full text not available from this repository.

Official URL: http://www.dx.doi.org/10.1016/j.sna.2014.11.017


This work investigates the suitability of single mode optical fibers (SMFs) as ionizing radiation dosimeter sensors. Thermoluminescence (TL) response studies have been carried out to investigate the performance of two commercial optical fibers, SMF-1 and SMF-2, with different Ge-doping concentrations of 4.9 and 4.3 wt%, respectively, exposed to 0.5 to 8 Gy doses under 6, 9, and 20 MeV electron radiations. The performance parameters include dose response linearity and sensitivity, energy dependency, glow curve analysis, minimum detectable dose, repeatability, fading effects and optical absorption. The TL dose response of SMF-1, the .ber with the greater Ge concentration of the two, was found to be in excess of 6.3 and 3.2 times that of SMF-2 and TLD-100, respectively. SMF-1 demonstrated capability for detecting a minimum dose of as low as 6 mGy, being some 3.2 times superior to that of TLD-100. The results underline the potential of these optical fibers as next-generation alternative dosimeter sensors for detection of ionizing radiation.

Item Type:Article
Uncontrolled Keywords:dosimeter, optical fiber application, single mode fiber
Subjects:Q Science > QC Physics
ID Code:58697
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 04:07
Last Modified:08 Sep 2021 04:54

Repository Staff Only: item control page