Single Crystalline and Ceramic Yb:Lu2 O3 Gain Media in Thin-Disk Laser Operation
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)（2023）
摘要
The sesquioxide crystal Yb
3+
:Lu
2
O
3
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 Yb
3+
:Lu
2
O
3
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 Yb
3+
:Lu
2
O3 ceramics with low transmission losses and being free of pores.
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