单模Er^(3+)/Yb^(3+)共掺双包层光纤上转换效应实验研究  

Experiment research of frequency up-conversion in double cladding Er^(3+)-Yb^(3+) co-doped fiber and Yb^(3+) doped fiber

作　　者：周次明[1] 陈留勇[1] 

机构地区：[1]武汉理工大学光纤传感技术研究中心,武汉430070

出　　处：《激光技术》2008年第6期639-641,662,共4页Laser Technology

基　　金：国家自然科学基金资助项目(60477029)

摘　　要：为了研究单模Er3+/Yb3+共掺双包层光纤中的上转换效应,采用对比实验的方法,用荧光分光光度计测量了单模Er3+/Yb3+共掺双包层光纤的绿色荧光,并与掺Yb3+光纤的绿色荧光进行了对比分析。得到Er3+/Yb3+共掺双包层光纤中的绿色荧光仍然是Er3+离子激发态吸收所产生,而Yb3+只起到能量搬运作用的结果。结果表明,两种光纤受激产生的荧光光谱、功率及其随抽运功率的变化关系,都遵循不同规律。In order to study the frequency up-conversion in single model double cladding Er^3 ＋ -Yb^3 ＋ co-doped fiber, the green fluorescence emitted by single model double cladding Er^3 ＋-Yb^3＋ co-doped fiber was measured with a fluorphotometer and compared with the green fluorescence in Yb^3 ＋ doped fiber. The results show that the fluorescence in the single model double cladding Er^3＋ -Yb^3＋ co-doped fiber is attributed to the absorption of Er^3 ＋ ions in the excited state of and the Yb^3＋ ions only transfer the pump energy to the Er^3 ＋ ions. It leads to the difference of emissive fluorescence between the double cladding Er^3 ＋ - Yb^3 ＋ co-doped fiber and Yb^3＋ doped fiber in the spectra and the power and its variation law.

关 键 词：激光物理 光纤激光 上转换效应 双包层光纤 绿色荧光 

分 类 号：TN253[电子电信—物理电子学]