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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Fabrication and characterization of Er3+-doped GeO2-PbO and GeO2-PbO-Bi2O3 glass fibers
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Fabrication and characterization of Er3+-doped GeO2-PbO and GeO2-PbO-Bi2O3 glass fibers

机译：掺Er3 +的GeO2-PbO和GeO2-PbO-Bi2O3玻璃纤维的制备与表征

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摘要

Glass fibers were drawn from GeO2-PbO-Bi2O3 and GeO2-PbO melts previously doped with Er3+. From the differential thermal analysis curve, the glass transition temperature was determined to be 420 degrees C, and no crystallization peak was observed in the temperature range of that analysis, indicating stability with regard to devitrification. Raman spectroscopy was performed to characterize the structure of the glasses, which exhibited large transmission windows (0.5-5.0 mu m) and large refractive indices (similar to 2.0). Infrared to visible upconversion of Er3+ was observed in the fibers. The visible emissions were related to the upconverted green emissions at about 530 nm (H-2(11/2) -> I-4(15/2)) and 550 nm (S-4(3/2) -> I-4(15/2)), and red emission at 668 nm (F-4(9/2) -> I-4(15/2)) under 980 nm excitation. The infrared transition (I-4(13/2) -> I-4(15/2)) was peaked at 1.53 mu m. The results obtained suggest that the fibers exhibit the same structures as the parent glasses and can be used in upconversion fiber optical devices. (c) 2006 Elsevier B.V. All rights reserved.
机译：从GeO2-PbO-Bi2O3中抽出玻璃纤维，GeO2-PbO熔体先前掺有Er3 +。从差示热分析曲线确定玻璃化转变温度为420℃，并且在该分析的温度范围内未观察到结晶峰，表明了对失透的稳定性。用拉曼光谱法表征玻璃的结构，该玻璃具有大的透射窗（0.5-5.0μm）和大的折射率（类似于2.0）。在纤维中观察到红外到可见的Er3 +上转换。可见光发射与大约530 nm（H-2（11/2）-> I-4（15/2））和550 nm（S-4（3/2）-> I- 4（15/2）），并在980 nm激发下在668 nm处发红光（F-4（9/2）-> I-4（15/2））。红外跃迁（I-4（13/2）→I-4（15/2））在1.53μm处达到峰值。获得的结果表明，纤维表现出与母玻璃相同的结构，并且可以用于上转换纤维光学器件。 （c）2006 Elsevier B.V.保留所有权利。

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