Diode End-Pumped 1.37 W Er:YSGG Continuous-Wave Laser Around 2.8-µm
收藏科学数据银行2022-10-28 更新2026-04-23 收录
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资源简介：
We demonstrate the laser performance of a LD end-pumped Er:YSGG crystals with different doping concentrationscomparatively. The experimental results show that 30 at. % Er:YSGG crystal with dimensions of 2 mm × 2 mm × 8 mm has the best laser output. In continuous-wave (CW) mode and pulse mode, the maximum output powers of 1.37 and 1.20 W are achieved, corresponding to slope effificiencies of 23.62% and 22.91%, respectively. To the best of our knowledge, compared with other Er3+-doped garnet laser crystals, we obtained a larger power and higher effificiency CW laser simultaneously for LD end-pumped Er:YSGG crystal. The beam quality factor M2 in x and y directions are determined to be 1.64/1.65, suggesting the Er:YSGG laser possesses a higher beam quality. All these results indicate that Er:YSGG is a promising mid-infrared gain medium for high effificiency and high power laser operation.
提供机构：
Huili Zhang; Anhui Institute of Optics and Fine Mechanics; Dunlu Sun; Yuwei Chen; Maojie Cheng; Kunpeng Dong; Zhiyuan Han; Jianqiao Luo; Hefei Institutes of Physical Science, Chinese Academy of Sciences
创建时间：
2022-10-22
