We report on continuous-wave (cw) laser experiments with a high-quality and large-size Yb:LuO polycrystalline transparent ceramic in a thin-disk laser oscillator. An output power of up to 1190 W was achieved in multimode operation with an optical efficiency of 60.3%. In fundamental-mode operation, a cw output power of 409 W was extracted with an optical efficiency of 35.6% and a beam propagation factor of M = 1.11.
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| http://dx.doi.org/10.1364/OL.445637 | DOI Listing |
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