Chinese Optics Letters, 2003, 1 (10): 10559, Published Online: Jun. 6, 2006
50-watt ytterbium-doped double-clad fiber laser 
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Abstract
A ytterbium-doped double-clad fiber laser with more than 50-W output, near diffraction-limited is demonstrated in SIOM. The optical-to-optical efficiency is about 44% with respect to incident pump power and the slope efficiency is 69% against launched pump power.
Qihong Lou, Jun Zhou, Jianqiang Zhu, Zhonglin Wu, Lingfeng Kong, Jingxing Dong, Zhenhuan Ye, Yunrong Wei, Zhijiang Wang. 50-watt ytterbium-doped double-clad fiber laser[J]. Chinese Optics Letters, 2003, 1(10): 10559.
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