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用于远程光纤辐射剂量测定的MCVD法二氧化硅玻璃预制棒中铈离子掺入情况的研究。

Investigation of the Incorporation of Cerium Ions in MCVD-Silica Glass Preforms for Remote Optical Fiber Radiation Dosimetry.

作者信息

Cieslikiewicz-Bouet Monika, El Hamzaoui Hicham, Ouerdane Youcef, Mahiou Rachid, Chadeyron Geneviève, Bigot Laurent, Delplace-Baudelle Karen, Habert Rémi, Plus Stéphane, Cassez Andy, Bouwmans Géraud, Bouazaoui Mohamed, Morana Adriana, Boukenter Aziz, Girard Sylvain, Capoen Bruno

机构信息

Univ-Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France.

Laboratoire H. Curien, Univ Lyon, UJM-CNRS-IOGS, 18 Rue du Pr. Benoît Lauras, F-42000 Saint-Etienne, France.

出版信息

Sensors (Basel). 2021 May 12;21(10):3362. doi: 10.3390/s21103362.

DOI:10.3390/s21103362
PMID:34066035
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8150916/
Abstract

The incorporation of Ce ions in silicate glasses is a crucial issue for luminescence-based sensing applications. In this article, we report on silica glass preforms doped with cerium ions fabricated by modified chemical vapor deposition (MCVD) under different atmospheres in order to favor the Ce oxidation state. Structural analysis and photophysical investigations are performed on the obtained glass rods. The preform fabricated under reducing atmosphere presents the highest photoluminescence (PL) quantum yield (QY). This preform drawn into a 125 µm-optical fiber, with a Ce-doped core diameter of about 40 µm, is characterized to confirm the presence of Ce ions inside this optical fiber core. The fiber is then tested in an all-fibered X-ray dosimeter configuration. We demonstrate that this fiber allows the remote monitoring of the X-ray dose rate (flux) through a radioluminescence (RL) signal generated around 460 nm. The response dependence of RL versus dose rate exhibits a linear behavior over five decades, at least from 330 µGy(SiO)/s up to 22.6 Gy(SiO)/s. These results attest the potentialities of the MCVD-made Ce-doped material, obtained under reducing atmosphere, for real-time remote ionizing radiation dosimetry.

摘要

在基于发光的传感应用中，铈离子掺入硅酸盐玻璃是一个关键问题。在本文中，我们报道了通过改进化学气相沉积（MCVD）在不同气氛下制备的掺铈二氧化硅玻璃预制棒，以利于铈的氧化态。对所得玻璃棒进行了结构分析和光物理研究。在还原气氛下制备的预制棒呈现出最高的光致发光（PL）量子产率（QY）。将该预制棒拉制成直径为125μm的光纤，掺铈纤芯直径约为40μm，对其进行表征以确认该光纤芯内铈离子的存在。然后在全光纤X射线剂量计配置中对该光纤进行测试。我们证明，该光纤能够通过在460nm左右产生的辐射发光（RL）信号远程监测X射线剂量率（通量）。RL与剂量率的响应依赖性在至少从330μGy(SiO)/s到22.6 Gy(SiO)/s的五个数量级上呈现线性行为。这些结果证明了在还原气氛下通过MCVD制备的掺铈材料在实时远程电离辐射剂量测定方面的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/d6cb548f3600/sensors-21-03362-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/610195f8b69a/sensors-21-03362-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/671617806e45/sensors-21-03362-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/93895554b392/sensors-21-03362-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/31fbd3facc02/sensors-21-03362-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/7d6cff7774f6/sensors-21-03362-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/8445b798d45d/sensors-21-03362-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/8c32b1f644b0/sensors-21-03362-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/e52bbcb3c4aa/sensors-21-03362-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/d6cb548f3600/sensors-21-03362-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/610195f8b69a/sensors-21-03362-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/671617806e45/sensors-21-03362-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/93895554b392/sensors-21-03362-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/31fbd3facc02/sensors-21-03362-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/7d6cff7774f6/sensors-21-03362-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/8445b798d45d/sensors-21-03362-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/8c32b1f644b0/sensors-21-03362-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/e52bbcb3c4aa/sensors-21-03362-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fbc4/8150916/d6cb548f3600/sensors-21-03362-g009.jpg

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