Diode-pumped 1028 nm Ytterbium-doped fiber laser with near 90% slope efficiency

被引：25
作者：
Harun, S. W. [1 ,2 ]
Paul, M. C. [3 ]
Moghaddam, M. R. A. [2 ]
Das, S. [3 ]
Sen, R. [3 ]
Dhar, A. [4 ]
Pal, M. [3 ]
Bhadra, S. K. [3 ]
Ahmad, H. [2 ]
机构：
[1] Univ Malaya, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[3] Cent Glass & Ceram Res Inst, Fibre Opt Div, Kolkata 700032, India
[4] Inst Photon & Elect, Opt Fiber Lab, Prague, Czech Republic
来源：
LASER PHYSICS | 2010年 / 20卷 / 03期
关键词：
ALL-FIBER; OSCILLATOR; POWER;
D O I：
10.1134/S1054660X10050051
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Highly efficient laser action from an Ytterbium-doped fiber (YDF) is demonstrated using a fiber Bragg grating (FBG) in conjunction with a 4% Fresnel reflection at room temperature. The YDF used is drawn from Yb2O3-doped preform, fabricated through deposition of porous layer of composition SiO2-GeO2 by the MCVD process in conjunction with a solution doping technique. The fabricated YDF has a core composition of 0.2 wt % of Yb2O3, 1.8 wt % of Al2O3 and 23 wt % of GeO2 with a pump absorption of 9.0 dB/m. The fiber laser operates at wavelength of 1028 nm with a slope efficiency of 88% with respect to the launched 976 nm pump power using the YDF length of 7 m.
引用
收藏
页码：656 / 660
页数：5
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