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

Harun, Sulaiman Wadi and Paul, M.C. and Moghaddam, M.R.A. and Das, S. and Sen, R. and Dhar, A. and Pal, M. and Bhadra, S.K. and Ahmad, Harith (2010) Diode-pumped 1028 nm Ytterbium-doped fiber laser with near 90% slope efficiency. Laser Physics, 20 (3). pp. 656-660. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10050051.

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Official URL: https://doi.org/10.1134/S1054660X10050051


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.

Item Type: Article
Uncontrolled Keywords: Pump Power; Fiber Laser; Laser Phys; Fiber Bragg Grating; Ytterbium
Subjects: Q Science > QC Physics
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Depositing User: MR Faizal II H
Date Deposited: 22 Dec 2015 02:05
Last Modified: 08 Apr 2019 05:10
URI: http://eprints.um.edu.my/id/eprint/15164

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