Abstract
We report on the efficient operation of a high-power erbium-doped polycrystalline Er:YAG ceramic laser at resonantly pumped by a high-power Er,Yb fiber laser. Lasing characteristics of Er:YAG ceramics with different concentrations are evaluated and compared. With an output coupler of 15% transmission and 0.5 at. % -doped YAG ceramic as the gain media, the laser generates of output power at for of incident pump power at , corresponding to a slope efficiency with respect to incident pump power of 51.7%.
©2011 Optical Society of America
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