Recent advances in silica glass optical fiber for dosimetry applications

Zubair, H.T. and Begum, M. and Moradi, F. and Rahman, A.K.M. M. and Mahdiraji, G. A. and Oresegun, A. and Louay, G. T. and Omar, N. Y.M. and Khandaker, Mayeen Uddin * and Adikan, F. R. M. and Noor, N. M. and Almugren, K.S. and Abdul-Rashid, H. A. and Bradley, D.A. * (2020) Recent advances in silica glass optical fiber for dosimetry applications. IEEE Photonics Journal, 12 (3). pp. 1-25. ISSN 1943-0647

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In this paper, we review the highly promising silica glass, fabricated as doped and undoped optical fiber for intended use in radiation dosimetry. The dosimetry techniques reviewed here, underpinned by intrinsic and extrinsic defects in silica glass, focus on Thermoluminescence (TL), Optically Stimulated Luminescence (OSL) and Radioluminescence (RL), with occasional references to the much more established Radiation Induced Attenuation (RIA). The other focus in this review is on the various materials that have been reported earlier as dopants and modifiers used in silica glass optical fiber radiation dosimeters. This article also elaborates on recently reported optical fiber structures, namely, cylindrical fibers, photonic crystal fibers and flat fibers, as well as dimensions and shapes used for optimization of dosimeter performance. The various types of optical fiber radiation dosimeters are subsequently reviewed for various applications ranging from medical dosimetry such as in external beam radiotherapy, brachytherapy and diagnostic imaging, as well as in industrial processing and space dosimetry covering a dynamic dose range from μGy to kGy. Investigated dosimetric characteristics include reproducibility, fading, dose response, reciprocity between luminescence yield to dose-rate and energy dependence. The review is completed by a brief discussion on limitations and future developments in optical fiber radiation dosimetry.

Item Type: Article
Uncontrolled Keywords: Silica optical fiber; dosimetry; radioluminescence; thermoluminescence
Subjects: R Medicine > R Medicine (General) > R895-920 Medical Physics/Medical Radiology
Divisions: Others > Non Sunway Academics
Sunway University > School of Engineering and Technology [formerly School of Science and Technology until 2020] > Research Centre for Applied Physics and Radiation Technologies [merged with Centre for Carbon Dioxide Capture and Utilization wef December 2023]
Depositing User: Dr Janaki Sinnasamy
Related URLs:
Date Deposited: 24 Mar 2021 08:20
Last Modified: 24 Mar 2021 08:20

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