We report on what is, to the best of our knowledge, the highest power reached with an Yb:Lu 2 O 3 thin-disk laser in the continuous wave (CW) regime reported to date. A maximum output power of 670 W was demonstrated with a V-shaped resonator design. This result was achieved by pumping this laser active material at its zero-phonon absorption line at 976 nm. The potential of Yb:Lu 2 O 3 as well as its limitations are discussed on the basis of several experimental investigations including thermal analysis and laser performance characterization for different doping concentrations.
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Weichelt et al. (2011) studied this question.
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