Abstract
We report on the Czochralski growth, spectroscopy, and laser operation of Er- and Yb-doped mixed sesquioxide crystals. Er(7 at.%):(Y,Sc)2O3 enables 19% slope efficiency at 2.7 µm, Yb(0.4 at.%):(Y,Sc)2O3 yields 87% at 1.04 µm.
© 2021 The Author(s)
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