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用于光纤应用的掺铕氧化物玻璃光谱特性中TeO/GeO比的研究

Investigation of the TeO/GeO Ratio on the Spectroscopic Properties of Eu-Doped Oxide Glasses for Optical Fiber Application.

作者信息

Lesniak Magdalena, Zeid Jakub, Starzyk Bartłomiej, Kochanowicz Marcin, Kuwik Marta, Zmojda Jacek, Miluski Piotr, Baranowska Agata, Dorosz Jan, Pisarski Wojciech, Pisarska Joanna, Dorosz Dominik

机构信息

Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Av. A. Mickiewicza 30, 30-059 Krakow, Poland.

Faculty of Electrical Engineering, Bialystok University of Technology, 45D Wiejska Street, 15-351 Bialystok, Poland.

出版信息

Materials (Basel). 2021 Dec 24;15(1):117. doi: 10.3390/ma15010117.

DOI:10.3390/ma15010117
PMID:35009261
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8745866/
Abstract

This study presented an analysis of the TeO/GeO molar ratio in an oxide glass system. A family of melt-quenched glasses with the range of 0-35 mol% of GeO has been characterized by using DSC, Raman, MIR, refractive index, PLE, PL spectra, and time-resolved spectral measurements. The increase in the content of germanium oxide caused an increase in the transition temperature but a decrease in the refractive index. The photoluminescence spectra of europium ions were examined under the excitation of 465 nm, corresponding to F → D transition. The PSB (phonon sidebands) analysis was carried out to determine the phonon energy of the glass hosts. It was reported that the red (D → F) to orange (D → F) fluorescence intensity ratio for Eu ions decreased from 4.49 (Te0Ge) to 3.33 (Te15Ge) and showed a constant increase from 4.58 (Te20Ge) to 4.88 (Te35Ge). These optical features were explained in structural studies, especially changes in the coordination of Ge to Ge. The most extended lifetime was reported for the Eu doped glass with the highest content of GeO. This glass was successfully used for the drawing of optical fiber.

摘要

本研究对氧化物玻璃体系中的TeO/GeO摩尔比进行了分析。通过差示扫描量热法（DSC）、拉曼光谱、中红外光谱（MIR）、折射率、光致发光激发光谱（PLE）、光致发光光谱（PL）以及时间分辨光谱测量等手段，对一系列GeO含量在0至35摩尔百分比范围内的熔体淬火玻璃进行了表征。氧化锗含量的增加导致转变温度升高，但折射率降低。在465纳米激发下（对应于F→D跃迁）对铕离子的光致发光光谱进行了研究。开展了声子边带（PSB）分析以确定玻璃基质的声子能量。据报道，铕离子的红色（D→F）至橙色（D→F）荧光强度比从4.49（Te0Ge）降至3.33（Te15Ge），并从4.58（Te20Ge）至4.88（Te35Ge）持续增加。这些光学特性在结构研究中得到了解释，特别是Ge与Ge配位的变化。据报道，氧化锗含量最高的铕掺杂玻璃具有最长的寿命。这种玻璃已成功用于光纤拉丝。

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