Frequency tuning and doubling in Yb-doped fiber lasers

被引：33
作者：
Akulov, V. A.
Afanasiev, D. M.
Babin, S. A.
Churkin, D. V.
Kablukov, S. I.
Rybakov, M. A.
Vlasov, A. A.
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Automat & Electrometry, Novosibirsk 630090, Russia
[2] Invers Fiber Co Ltd, Novosibirsk 630090, Russia
来源：
LASER PHYSICS | 2007年 / 17卷 / 02期
关键词：
Doping (additives) - Fiber Bragg gratings - Natural frequencies - Reflection - Refractive index - Tuning - Ytterbium;
D O I：
10.1134/S1054660X07020120
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A compact Yb-doped fiber laser (YDFL) based on a tunable fiber Bragg grating (FBG) with similar to 6 W output power and similar to 45 nm tuning around 1080 nm has been developed. The laser output power and its spectral width (similar to 0.15 nm) do not change significantly at the tuning, while the FBG reflection coefficient increases with an increase in FBG compression. It has been shown that this increase is due to stress-induced changes in the FBG's refractive-index modulation amplitude. Intracavity frequency doubling in the YDFL has also been performed. About 0.4 W of green radiation with tuning in the range 540-548 nm has been achieved with a KTP nonlinear crystal.
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收藏
页码：124 / 129
页数：6
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