High power operation of cladding pumped holmium-doped silica fibre lasers

被引：79
|
作者：
Hemming, Alexander [1 ]
Bennetts, Shayne [1 ]
Simakov, Nikita [1 ]
Davidson, Alan [1 ]
Haub, John [1 ]
Carter, Adrian [2 ]
机构：
[1] Def Sci & Technol Org, Electroopt Technol Grp, Elect Warfare & Radar Div, Edinburgh, SA 5111, Australia
[2] Nufern Inc, East Granby, CT USA
来源：
OPTICS EXPRESS | 2013年 / 21卷 / 04期
关键词：
Cladding; (coating);
D O I：
10.1364/OE.21.004560
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the highest power operation of a resonantly cladding-pumped, holmium- doped silica fibre laser. The cladding pumped all-glass fibre utilises a fluorine doped glass layer to provide low loss cladding guidance of the 1.95 mu m pump radiation. The operation of both single mode and large-mode area fibre lasers was demonstrated, with up to 140 W of output power achieved. A slope efficiency of 59% versus launched pump power was demonstrated. The free running emission was measured to be 2.12-2.15 mu m demonstrating the potential of this architecture to address the long wavelength operation of silica based fibre lasers with high efficiency. (C)2013 Optical Society of America
引用
收藏
页码：4560 / 4566
页数：7
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