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宁波大学 信息科学与工程学院
收稿:2009-04-01,
修回:1900-1-2,
网络首发:2009-12-30,
纸质出版:2009-12-30
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张鹏君, 戴世勋, 王艳玲, 等. Er3+/Tm3+共掺碲酸盐玻璃光谱特性及能量传递[J]. 发光学报, 2009,30(6):744-749.
ZHANG Peng-jun, DAI Shi-xun, WANG Yan-ling, et al. Luminescence and Mechanism of Energy Transfer of Er3+/Tm3+-codoped Tellurite Glass[J]. Chinese Journal of Luminescence, 2009, 30(6): 744-749.
采用高温熔融法制备了两系列不同掺杂比的Er
3+
/Tm
3+
共掺的碲酸盐玻璃
测试了样品的吸收光谱和在980 nm LD激发下的发光光谱、上转换发光光谱及发光寿命。讨论了Er
3+
与Tm
3+
掺杂浓度对样品光谱性质的影响
Tm
3+
离子的掺入会减弱Er
3+
的1.53 μm发光强度
但通过共振能量传递可以获得Tm
3+
的1.8 μm发光
并随着Tm
3+
离子浓度的增加而增强。同时表明Tm
3+
离子的增加会减弱Er
3+
离子在528 nm和545 nm附近的上转换绿光强度
而上转换红光出现了先增强后减弱的现象。研究了Er
3+
/Tm
3+
共掺杂碲酸盐玻璃的能量传递机制与传递效率
分析了Tm
3+
/Er
3+
离子掺杂浓度比对上转换发光的影响。
paper
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