1028 nm single mode Ytterbium-doped fiber laser

被引:12
|
作者
Paul, M. C. [1 ]
Harun, S. W. [2 ,3 ]
Moghaddam, M. R. A. [3 ]
Das, S. [1 ]
Sen, R. [1 ]
Dhar, A. [1 ]
Pal, M. [1 ]
Bhadra, S. K. [1 ]
Ahmad, H. [3 ]
机构
[1] Cent Glass & Ceram Res Inst, Fibre Opt Div, Kolkata 700032, India
[2] Univ Malaya, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
[3] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
关键词
POLARIZATION; AMPLIFIER; REGION;
D O I
10.1134/S1054660X09050247
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An efficient Ytterbium-doped fiber laser (YDFL) operating at 1028 nm is demonstrated using a fiber Bragg grating (FBG). The Ytterbium-doped fiber (YDF) 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 0.1 mol % of Yb2O3 in the core, a Ytterbium ion lifetime of 1.1 ms, an absorption of 7.65 dB/m at 976 nm. The fiber laser has the maximum efficiency of 51% with pump power threshold of 19 mW using a FBG in conjunction with a Fresnel reflection to form a linear cavity resonator. The efficiency and threshold are better compared to the similar YDFL configuration using a commercial YDF.
引用
收藏
页码:1021 / 1025
页数:5
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