Abstract

We report diode-pumped Nd:LuYAG mixed crystal lasers around 1.06 μm. In free running mode, single wavelength laser at 1063.88nm is obtained with maximum output power of 8.71W and slope efficiency of 60.4%. The laser result represents the best laser performance of Nd:LuYAG laser so far. Using an undoped YAG thin plate to act as intracavity etalon, four simultaneous dual-wavelength lasers can be yielded, i.e. 1064.12 and 1060.95nm with maximum output power of 4.32W and slope efficiency of about 31.6%, 1064.37 and 1072.89nm with maximum output power of 2.06W and slope efficiency of about 15.0%, 1063.88 and 1052.41nm with maximum output power of 1.82W and slope efficiency of about 14.4%, as well as 1063.88 and 1068.26nm with maximum output power of 1.51W and slope efficiency of about 13.1%. These dual-wavelength lasers are all generated for the first time to our knowledge in Nd:LuYAG crystal. The multiple peak structure of the Nd:LuYAG mixed crystal like Nd:YAG single crystal could be a potential laser source for THz wave generation.

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