激光技术, 2007, 31 (6): 0600, 网络出版: 2010-06-03   

溶胶凝胶法制备Yb3+/Er3+共掺氧化铝材料的光谱性质

The spectroscopic property of erbium ytterbium co-doped alumina material prepared by sol-gel process
作者单位
河南大学 物理与信息光电子学院,开封 475004
摘要
为了得到更加有效的掺饵光波导放大器材料,采用改进了激活剂掺入途径的溶胶凝胶方法,制作了不同比例Yb3+/Er3+共掺杂的γ相氧化铝粉体材料方法,测量了样品的吸收和光致发射光谱并进行了分析。结果表明,Yb3+离子的掺入能很大地提高样品对980nm左右激发光的吸收效率,Er3+离子1534nm主发射峰的发射强度最大增加了约6.3倍;体系中Yb3+∶Er3+的掺杂存在最佳比例,最佳掺杂比例约为6∶1;同时x射线衍射法测试表明,最佳的热处理温度为900℃,相同的热处理温度下,Yb3+的掺人能延缓Al203由无定形相向γ相转变的过程,这一结果对进一步改善掺饵光波导放大器的特性是有帮助的。
Abstract
The alumina powder co-doped with different ratio of Yb3+ /Er3+ was prepared with an advanced sol-gel method as batter material used for Er3+ doped waveguide amplifier. The absorption and emission spectra ware measured and analysed. The result indicated that the incorporation of Yb3+ could enhance the absorption of 980nm exciting light,for the Er3+ and Yb3+ codoped alumina power,the photoluminescence peak intensity at 1533nm was increased by a factor of about 6.3 compared with that of the Er3+ doped alumina powders. And optimum ratio of the Yb3+∶Er3+ was 6∶1 for this method. The X-ray diffraction spectra show that the best thermal treatment temperature was 900℃,and the incorporation of Yb3+ could postponed the forming of γphase at 900℃ thermal treatment condition. The result is helpful for making more effective Er3+ doped waveguide amplifier.

毛艳丽, 林丙臣, 冯素雅, 程永光. 溶胶凝胶法制备Yb3+/Er3+共掺氧化铝材料的光谱性质[J]. 激光技术, 2007, 31(6): 0600. MAO Yan-li, LIN Bing-chen, FENG Su-ya, CHENG Yong-guang. The spectroscopic property of erbium ytterbium co-doped alumina material prepared by sol-gel process[J]. Laser Technology, 2007, 31(6): 0600.

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