8.3 W diode-end-pumped continuous-wave Nd:YAG laser operating at 946-nm

This paper reports a diode-end-pumped continuous-wave (CW) Nd:YAG laser operating at 946-nm by utilizing the 4F3/2-4I9/2 transition. We demonstrated that at an incident pump power of 27.7 W, an output power of 8.3-W could be achieved with a slope efficiency of 33.5%. To the best of our knowledge, th...

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Bibliographic Details
Published in:Optics express 2005-12, Vol.13 (25), p.10115-10119
Main Authors: Zhou, Rui, Zhang, Tieli, Li, Enbang, Ding, Xin, Cai, Zhiqiang, Zhang, Baigang, Wen, Wuqi, Wang, Peng, Yao, Jianquan
Format: Article
Language:English
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Summary:This paper reports a diode-end-pumped continuous-wave (CW) Nd:YAG laser operating at 946-nm by utilizing the 4F3/2-4I9/2 transition. We demonstrated that at an incident pump power of 27.7 W, an output power of 8.3-W could be achieved with a slope efficiency of 33.5%. To the best of our knowledge, this is the highest CW output power at 946 nm generated by LD end-pumped Nd:YAG lasers. By using intracavity frequency doubling with an LBO crystal, we further obtained a 473-nm blue laser with an output power of 1.2 W, achieving an optical-to-optical conversion efficiency of 7.1% at a pump power of 16.9 W. The short-term power instability of the blue laser was less than 1 %.
ISSN:1094-4087
1094-4087
DOI:10.1364/OPEX.13.010115