2026-10-15T00:38:16Z https://www.scidb.cn/oai

10.57760/sciencedb.02788 2022-09-22T14:35:29Z

2022-09-22 Spectroscopy and LD end-pumped high power 2.79 μm CW laser from an Er:LuYSGG mixed crystal doi:10.57760/sciencedb.02788 en We report on the spectroscopic and laser performance of a novel 30 at.% Er:LuYSGG mixed crystal grown by Czochralski method. The XRC result shows the crystal has a high crystalline quality. A strong absorption peak is located at 966 nm with a FWMH of about 11 nm. The lifetimes of the upper 4I11/2 and lower 4I13/2 levels are 1.91 ms and 6.53 ms, respectively. A maximum output power of 909 mW with LD end-pumping is achieved, corresponding to optical-to-optical conversion efficiency of 18.1% and slope efficiency of 21.6%. The laser wavelength of 2794 nm and beam quality factors Mx2/My2 of 1.78/1.83 are displayed. These results indicate that Er:LuYSGG mixed crystal is a promising gain medium for 2.8 μm laser. Er:LuYSGG mixed crystal; spectroscopy; laser performance; mid-infrared laser Kunpeng Dong Dunlu Sun Jianqiao Luo Huili zhang Xuyao zhao Cong Quan Lunzhen Hu Zhiyuan Han Maojie Cheng Shaotang Yin Yuwei Chen PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank