Optimization of laser emission at 2.8 μm by Er:Lu2O3 ceramics
Optimization of laser emission at 2.8 μm by Er:Lu2O3 ceramics
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DOI：
10.1364/oe.26.003497
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发表时间：
2018-02-05
期刊：
影响因子：
3.8
通讯作者：
Yasuhara, Ryo
中科院分区：
文献类型：
--
作者：
Uehara, Hiyori;Tokita, Shigeki;Yasuhara, Ryo
我们已经证明了一个高效的2.8 μ m掺铒Lu2O3陶瓷激光器在室温下的连续波操作。掺杂浓度为11原子%的Er：Lu2O3陶瓷在10W泵浦下，获得了29%的斜率效率和2.3W的输出功率。据我们所知，这是迄今为止在2.8 μ m处获得的Er：Lu2O3陶瓷激光器的最高斜率效率和输出功率。此外，我们制备了不同掺杂浓度的陶瓷，并通过荧光寿命测量和发射光谱测定了它们的发射截面。(C)根据OSA开放获取出版协议的条款，2018年美国光学学会
We have demonstrated the continuous-wave operation of a highly efficient 2.8 mu m Er-doped Lu2O3 ceramic laser at room temperature. An Er: Lu2O3 ceramic with a doping concentration of 11 at.% afforded a slope efficiency of 29% and an output power of 2.3 W with pumping at 10 W. To our knowledge, these are the highest slope efficiency and output power obtained to date for an Er:Lu2O3 ceramic laser at 2.8 mu m. In addition, we prepared ceramics with various doping concentrations and determined their emission cross sections by fluorescence lifetime measurements and emission spectroscopy. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement