二氧化硅对铒/铈共掺碲酸盐玻璃光谱性质的影响(英文)  

Effect of Silica on Spectroscopic Properties of Erbium/Cerium Co-Doped Tellurite Glasses

作　　者：郑世超[1] 周亚训[1] 殷丹丹[1] 徐星辰[1] 王森[1] 

机构地区：[1]宁波大学信息科学与工程学院,宁波315211

出　　处：《硅酸盐学报》2014年第1期89-94,共6页Journal of The Chinese Ceramic Society

基　　金：国家自然科学基金(61178063);宁波大学研究生科研创新基金(G13035);宁波大学王宽诚幸福基金;胡岚优秀博士基金

摘　　要：为进一步提高Er3+1.53μm波段的光谱特性,在Er3+:4 I11/2→4 I13/2和Ce3+:2 F5/2→2 F7/2跃迁间存在能量失配(1 400cm-1附近)的Er3+/Ce3+共掺碲酸盐(TeO2-Bi2O3-TiO2)玻璃中引入了高声子能量SiO2组分。测试分析了不同SiO2组分含量下的Er3+吸收光谱、上转换发光谱、1.53μm波段荧光谱、荧光寿命、放大品质因子和玻璃样品的热性能。结果表明:由于增强的Er3+/Ce3+离子间能量传递,当玻璃样品中SiO2含量达到9%(摩尔分数)时,Er3+的1.53μm波段荧光强度得到显著提高。同时,荧光半高宽随SiO2组分含量相应展宽,而玻璃热稳定性随之提高。In order to further improve the 1.53/zm band spectroscopic properties of Era＋ , a high phonon-energy oxide of SiOz was introduced into the Era＋/Ce3＋ co-doped tellurite glass （TeOz--Biz O3--TiOz ） with the energy mismatch （--1 400 cm-1 ） between the Er3＋4I11/2→4I/13/2和Ce3＋：2F5/2→F7/2 transitions. The absorption spectra, up-conversion emission spectra, 1.53μm band fluorescence spectra, fluorescence lifetimej amplification quality factors of Era＋ and DSC curves of glass samples with different SiOz contents were analyzed. The results indicate that the 1.53 μm band fluorescence intensity of Era＋ is im- proved when the SiOz content in the glass is 9 %（in mole} due to the enhanced energy transfer between Era＋ and Ce3＋ ions, and its fluorescence full width at half maximum is broadened and the thermal stability of glass host is improved accordingly with the SiOz content.

关 键 词：碲酸盐玻璃 铒 铈共掺 1 53μm波段荧光 能量传递 

分 类 号：TU502.4[建筑科学—建筑技术科学]