基于倍半氧化物Er∶Lu_2O_3的2.85μm连续激光输出  

Continuous Wave Output Based on Sesquioxide Er∶ Lu_2O_3 at 2.85 μm

作　　者：李晓敏[1] 

机构地区：[1]山东协和学院基础部,济南250109

出　　处：《硅酸盐通报》2016年第5期1592-1595,共4页Bulletin of the Chinese Ceramic Society

基　　金：山东省高等学校科技计划项目资助(J15LJ51)

摘　　要：文章研究了晶体Er∶Lu_2O_3的生长、光谱特性、热传导率和能级跃迁表现。室温下采用971 nm的半导体激光器泵浦,获得了1.4 W的2.85μm连续激光输出,斜效率为36%。这超越了斯托克斯系数,因为低能级返回高能级粒子循环利用的的上转换过程,产生了目前为止效率最高的3μm激光输出。在激光二极管泵浦下,获得了5.9 W的激光输出,斜效率为27%。We report on crystal growth,spectroscopy,thermal conductivity and4I11 /2→4I13 /2-laser performance of Er∶ Lu_2O_3. Pumping with an optically pumped semiconductor laser at 971 nm,1. 4 W of continuous-wave output power with a slope efficiency of ～ 36% at 2. 85 μm was obtained at room temperature. This exceeds the Stokes efficiency due to an upconversion process recycling population of the lower laser level back into the upper laser level,yielding the highest efficiency of any Er sesquioxide laser around 3 μm until now. Under diode pumping,5. 9 W of output power with 27% of slope efficiency was achieved

关 键 词：热交换法 热传导率 3μm激光器 

分 类 号：TU528[建筑科学—建筑技术科学]