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Abstract
We report a highly efficient ytterbium-doped double-clad fibre laser, one-end pumped by a 975-nm diode stack source and generating up to 115.6 W of cw output power at 1.1 μm. The maximum optical-to-optical conversion efficiency with respect to the launched pump power is 79% at 65-W output power, and the overall slope efficiency is about 69%.
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ZHOU Jun, LOU Qi-Hong, KONG Ling-Feng, WU Zhong-Lin, XUE Dong, DONG Jing-Xing, WEI Yun-Rong, YE Zhen-Huan, ZHU Jian-Qiang, WANG Zhi-Jiang. A 115-W Ytterbium-Doped Fibre Laser[J]. Chin. Phys. Lett., 2004, 21(6): 1083-1085.
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ZHOU Jun, LOU Qi-Hong, KONG Ling-Feng, WU Zhong-Lin, XUE Dong, DONG Jing-Xing, WEI Yun-Rong, YE Zhen-Huan, ZHU Jian-Qiang, WANG Zhi-Jiang. A 115-W Ytterbium-Doped Fibre Laser[J]. Chin. Phys. Lett., 2004, 21(6): 1083-1085.
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ZHOU Jun, LOU Qi-Hong, KONG Ling-Feng, WU Zhong-Lin, XUE Dong, DONG Jing-Xing, WEI Yun-Rong, YE Zhen-Huan, ZHU Jian-Qiang, WANG Zhi-Jiang. A 115-W Ytterbium-Doped Fibre Laser[J]. Chin. Phys. Lett., 2004, 21(6): 1083-1085.
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ZHOU Jun, LOU Qi-Hong, KONG Ling-Feng, WU Zhong-Lin, XUE Dong, DONG Jing-Xing, WEI Yun-Rong, YE Zhen-Huan, ZHU Jian-Qiang, WANG Zhi-Jiang. A 115-W Ytterbium-Doped Fibre Laser[J]. Chin. Phys. Lett., 2004, 21(6): 1083-1085.
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