Inproceedings,

Single crystalline and ceramic Yb:Lu2O3 gain media in thin-disk laser operation

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Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023), page ca_10_4. Optica Publishing Group, (2023)

Abstract

The sesquioxide crystal Yb3$+$:Lu2O3 is known to be a gain medium with excellent properties for high average power thin-disk lasers due to its low quantum defect of 5.6 \% \1\ and relatively high thermal conductivity of 12 W/mK \2\. However, the growth of Yb3$+$:Lu2O3 single crystals is challenging due to its high melting point of 2450 °C \1\. Improvements in ceramic manufacturing techniques as shown in \3\ offer poly-crystalline Yb3$+$:Lu2O3 ceramics with low transmission losses and being free of pores.

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