Abstract
In this report, polycrystalline Yb:Y 2O3 ceramic laser has been demonstrated for the first time. With a pump power of 11 W at 937 nm, 0.75 W cw laser output at 1078 nm was obtained. The laser had a threshold of 4.7 W and a slope efficiency of 12.6% when an output coupler of R = 98% was used.
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