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基于 La₂O₂S:Eu 闪烁体的光纤传感器，用于实时检测紫外辐射。

An Optical Fiber Sensor Based on La₂O₂S:Eu Scintillator for Detecting Ultraviolet Radiation in Real-Time.

机构信息

Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China.

Optical Fiber Sensors Research Centre, University of Limerick, Castletroy, Limerick, Ireland.

出版信息

Sensors (Basel). 2018 Nov 2;18(11):3754. doi: 10.3390/s18113754.

DOI:10.3390/s18113754
PMID:30400264
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6263712/
Abstract

A novel ultraviolet (UV) optical fiber sensor (UVOFS) based on the scintillating material La₂O₂S:Eu has been designed, tested, and its performance compared with other scintillating materials and other conventional UV detectors. The UVOFS is based on PMMA (polymethyl methacrylate) optical fiber which includes a scintillating material. Scintillating materials provide a unique opportunity to measure UV light intensity even in the presence of strong electromagnetic interference. Five scintillating materials were compared in order to select the most appropriate one for the UVOFS. The characteristics of the sensor are reported, including a highly linear response to radiation intensity, reproducibility, temperature response, and response time (to pulsed light) based on emission from a UV source (UV fluorescence tube) centered on a wavelength of 308 nm. A direct comparison with the commercially available semiconductor-based UV sensor proves the UVOFS of this investigation shows superior performance in terms of accuracy, long-term reliability, response time and linearity.

摘要

一种基于 La₂O₂S:Eu 闪烁材料的新型紫外（UV）光纤传感器（UVOFS）已经设计、测试，并将其性能与其他闪烁材料和其他传统 UV 探测器进行了比较。UVOFS 基于包含闪烁材料的 PMMA（聚甲基丙烯酸甲酯）光纤。闪烁材料为测量紫外光强度提供了独特的机会，即使在存在强电磁干扰的情况下也是如此。比较了五种闪烁材料，以选择最适合 UVOFS 的材料。报告了传感器的特性，包括对辐射强度的高度线性响应、重现性、温度响应和基于中心波长为 308nm 的紫外光源（UV 荧光管）发射的响应时间（对脉冲光）。与市售的基于半导体的 UV 传感器的直接比较证明，本研究中的 UVOFS 在准确性、长期可靠性、响应时间和线性度方面表现出优异的性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/24a2c99895c2/sensors-18-03754-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/0a527f26842f/sensors-18-03754-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/4b5188e07bed/sensors-18-03754-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/22d3647c90a5/sensors-18-03754-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/a682c56af510/sensors-18-03754-g010a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/8b224779fd76/sensors-18-03754-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/8ab4585b3802/sensors-18-03754-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/34bc5f7637ee/sensors-18-03754-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/24a2c99895c2/sensors-18-03754-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/e6c2797da3ad/sensors-18-03754-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/5dbded08b4af/sensors-18-03754-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/25c40617a991/sensors-18-03754-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/10afc1d22a09/sensors-18-03754-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/1f513dd2e21c/sensors-18-03754-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/5b3c740defa9/sensors-18-03754-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/0a527f26842f/sensors-18-03754-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/4b5188e07bed/sensors-18-03754-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/22d3647c90a5/sensors-18-03754-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/a682c56af510/sensors-18-03754-g010a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/8b224779fd76/sensors-18-03754-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/8ab4585b3802/sensors-18-03754-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/34bc5f7637ee/sensors-18-03754-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6463/6263712/24a2c99895c2/sensors-18-03754-g014.jpg

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