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Thermoluminescence characteristics of Nd-doped SiO2 optical fibers irradiated with the 60-Co gamma rays

Refaei, Azadeh and Wagiran, Husin and Saeed, Mohammad Alam and Hosssain, I. (2014) Thermoluminescence characteristics of Nd-doped SiO2 optical fibers irradiated with the 60-Co gamma rays. Applied Radiation and Isotopes, 94 . pp. 89-92. ISSN 0969-8043

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Official URL: http://dx.doi.org/ 10.1016/j.apradiso.2014.07.012

Abstract

Thermoluminescence (TL) properties (radiation sensitivity, dose response, signal fading) of Nd-doped SiO2 optical fibers irradiated with 1.25MeV photons to 1-50Gy were studied. The peak of the glow curve is around 190°C regardless of the dose. The dose response is linear up to 50Gy. The radiation sensitivity is 219nCmg-1Gy-1. The fiber can be a potential candidate for photon radiotherapy dosimetry due to its high radiation sensitivity, linear dose response in a wide range, slow fading, and high spatial resolution due to the small size of the fiber.

Item Type:Article
Uncontrolled Keywords:glow curve, optical fibers
Subjects:Q Science
Divisions:Science
ID Code:63066
Deposited By: Siti Nor Hashidah Zakaria
Deposited On:06 Jul 2017 13:58
Last Modified:06 Jul 2017 13:58

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