Abstract
We report the first oscillation achieved on Yb-doped and ceramics under quasi-CW pumping at . With we measured a maximum output power of with a slope efficiency of 59% at . Comparable results are obtained with at , i.e., with a corresponding slope of 45%, while at we measured with 34% of slope efficiency. Finally, we present the range of tunability, which exceeds for both samples. To the best of our knowledge, these are the first measurements reported in literature either in terms of laser emission or continuous tunability range achieved with doping level.
© 2011 Optical Society of America
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