Chinese Optics Letters, Volume. 1, Issue 10, 10559(2003)
50-watt ytterbium-doped double-clad fiber laser
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.
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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," Chin. Opt. Lett. 1, 10559 (2003)
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