Ce-doped optical fibre as radioluminescent dosimeter in radiotherapy

被引：46

作者：

Mones, E. ^{[3
]}

Veronese, I. ^{[1
,2
]}

Vedda, A. ^{[4
]}

Loi, G. ^{[3
]}

Fasoli, M. ^{[4
]}

Moretti, F. ^{[4
]}

Chiodini, N. ^{[4
]}

Cannillo, B. ^{[3
]}

Brambilla, M. ^{[3
]}

机构：

[1] Univ Milan, Dipartmento Fis, I-20133 Milan, Italy

[2] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[3] Azienda Osped Maggiore Carita, Dept Med Phys, I-28100 Novara, Italy

[4] Univ Milano Bicocca, Dipartimento Sci Mat, I-20125 Milan, Italy

来源：

RADIATION MEASUREMENTS | 2008年 / 43卷 / 2-6期

关键词：

radiolummescence; optical fibre; radiotherapy; stereotactic;

D O I：

10.1016/j.radmeas.2008.01.031

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Photon beams produced by a cobalt-60 Unit and a 6MV linear accelerator equipped with stereotactic collimators were used to investigate some dosimetric properties of a radioluminescent dosimeter based on a Ce-doped optical fibre. The stability of the signal with increasing the irradiation time, enabled a reliable and real-time measurement of the dose rate. The methods, recently developed, of optical coupling, light collection and signal processing allowed to achieve a satisfactory signal to noise ratio, a good reproducibility and a linear dose-response. The punctual dimension of the doped fibre diameter was exploited in the characterization of stereotactic fields, providing results in agreement with those obtained using a micro-ionization chamber. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：888 / 892

页数：5

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