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掺铈、铜和钆的硅玻璃对脉冲电子束剂量测定的放射发光响应。

Radioluminescence Response of Ce-, Cu-, and Gd-Doped Silica Glasses for Dosimetry of Pulsed Electron Beams.

机构信息

Department of Physics, University of Jyväskylä, Survontie 9D, 40500 Jyväskylä, Finland.

UJM, CNRS, IOGS, Laboratoire Hubert Curien, University of Lyon, UMR 5516, 18 rue Prof. B. Lauras, F-42000 Saint-Etienne, France.

出版信息

Sensors (Basel). 2021 Nov 12;21(22):7523. doi: 10.3390/s21227523.

DOI:10.3390/s21227523
PMID:34833599
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8621039/
Abstract

Radiation-induced emission of doped sol-gel silica glass samples was investigated under a pulsed 20-MeV electron beam. The studied samples were drawn rods doped with cerium, copper, or gadolinium ions, which were connected to multimode pure-silica core fibers to transport the induced luminescence from the irradiation area to a signal readout system. The luminescence pulses in the samples induced by the electron bunches were studied as a function of deposited dose per electron bunch. All the investigated samples were found to have a linear response in terms of luminescence as a function of electron bunch sizes between 10-5 Gy/bunch and 1.5×10-2 Gy/bunch. The presented results show that these types of doped silica rods can be used for monitoring a pulsed electron beam, as well as to evaluate the dose deposited by the individual electron bunches. The electron accelerator used in the experiment was a medical type used for radiation therapy treatments, and these silica rod samples show high potential for dosimetry in radiotherapy contexts.

摘要

研究了脉冲 20 MeV 电子束辐照下掺杂溶胶-凝胶二氧化硅玻璃样品的发射。研究的样品是掺杂铈、铜或钆离子的拉丝棒，它们与多模纯二氧化硅芯光纤相连，将辐照区域产生的诱导发光传输到信号读出系统。研究了电子束簇在样品中诱导的发光脉冲，作为每个电子束簇沉积剂量的函数。所有研究的样品都被发现具有在 10-5 Gy/束和 1.5×10-2 Gy/束之间的电子束簇尺寸的发光线性响应。所呈现的结果表明，这些类型的掺杂二氧化硅棒可用于监测脉冲电子束，并评估单个电子束簇沉积的剂量。实验中使用的电子加速器是用于放射治疗的医疗类型，这些二氧化硅棒样品在放射治疗剂量学方面显示出很高的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/2501b6753dc8/sensors-21-07523-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/59eeb010dc41/sensors-21-07523-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/92c5b47104fc/sensors-21-07523-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/3fdd0a643b83/sensors-21-07523-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/0c2575d5ddbc/sensors-21-07523-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/67163704c567/sensors-21-07523-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/21c4412c8cd8/sensors-21-07523-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/d165c12413ca/sensors-21-07523-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/2501b6753dc8/sensors-21-07523-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/0eff157396b1/sensors-21-07523-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/9b6e3b73b538/sensors-21-07523-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/f0944fa21389/sensors-21-07523-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/10e82249b3fc/sensors-21-07523-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/fd4f7a54eb2d/sensors-21-07523-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/59eeb010dc41/sensors-21-07523-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/92c5b47104fc/sensors-21-07523-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/3fdd0a643b83/sensors-21-07523-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/0c2575d5ddbc/sensors-21-07523-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/67163704c567/sensors-21-07523-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/21c4412c8cd8/sensors-21-07523-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/d165c12413ca/sensors-21-07523-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c73/8621039/2501b6753dc8/sensors-21-07523-g013.jpg

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本文引用的文献

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Sci Rep. 2019 Nov 8;9(1):16376. doi: 10.1038/s41598-019-52608-5.
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