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Advances on inorganic scintillator-based optic fiber dosimeters

Ding, Liang, Wu, Qiong, Wang, Qun, Li, Yamei, Perks, Richard M. and Zhao, Liang 2020. Advances on inorganic scintillator-based optic fiber dosimeters. EJNMMI Physics 7 (1) , 60. 10.1186/s40658-020-00327-6

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Abstract

This article presents a new perspective on the development of inorganic scintillator-based fiber dosimeters (IOSFDs) for medical radiotherapy dosimetry (RTD) focusing on real-time in vivo dosimetry. The scintillator-based optical fiber dosimeters (SFD) are compact, free of electromagnetic interference, radiation-resistant, and robust. They have shown great potential for real-time in vivo RTD. Compared with organic scintillators (OSs), inorganic scintillators (IOSs) have larger X-ray absorption and higher light output. Variable IOSs with maximum emission peaks in the red part of the spectrum offer convenient stem effect removal. This article outlines the main advantages and disadvantages of utilizing IOSs for SFD fabrication. IOSFDs with different configurations are presented, and their use for dosimetry in X-ray RT, brachytherapy (BT), proton therapy (PT), and boron neutron capture therapy (BNCT) is reviewed. Challenges including the percentage depth dose (PDD) deviation from the standard ion chamber (IC) measurement, the angular dependence, and the Cherenkov effect are discussed in detail; methods to overcome these problems are also presented. Introduction

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: SpringerOpen
ISSN: 2197-7364
Date of First Compliant Deposit: 19 October 2020
Date of Acceptance: 3 September 2020
Last Modified: 11 Dec 2020 02:48
URI: https://orca.cardiff.ac.uk/id/eprint/135700

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