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对高功率法布里—泊罗腔 ( F-P)掺 Yb双包层光纤激光器进行理论和实验研究 .通过推导光纤激光器速率方程 ,得到了光纤激光器输出功率、斜率效率和阈值泵浦功率的解析表达式 .重点讨论了 F-P腔腔镜反射率对光纤激光输出的影响 .在实验中 ,利用 D型双包层掺 Yb光纤获得了输出功率 1 0 .6W,斜率效率 86%的连续激光输出 .理论分析与实验结果一致
Theoretical and experimental studies on the high power Fabry-Perot cavity (FP) doped Yb double-clad fiber lasers are carried out. By deriving the fiber laser speed equations, the analytical expressions of output power, slope efficiency and threshold pump power of the fiber lasers are obtained The effect of FP cavity mirror reflectivity on fiber laser output is discussed in detail.The continuous laser output with output power of 1.06W and slope efficiency of 86% is obtained by using D-clad double-clad Yb fiber. Analysis and experimental results