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Proceedings Paper

Gain characteristics of a ytterbium-doped fiber amplifier at 1064nm
Author(s): Yan Liu; Chunyu Wang; Yutian Lu
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Paper Abstract

Because an ytterbium-doped fiber amplifier has broad-gain bandwidth, high output power, and excellent power conversion efficiency, it has attracted much attention. Based on two-level model, the gain and propagation characteristics of Yb-doped fiber amplifier at 1064nm by dual-wavelength pumping (910nm and 975nm) were analyzed after introducing the overlapping factors and ignoring the effect of ASE and the fiber loss. In order to compare, other two pumping schemes were discussed, namely, 910nm pumping and 975nm pumping respectively. The differences between the Yb- and Nd-doped fibers for amplifying the light of 1064nm were also discussed.

Paper Details

Date Published: 10 June 2006
PDF: 7 pages
Proc. SPIE 6344, Advanced Laser Technologies 2005, 63440L (10 June 2006); doi: 10.1117/12.693434
Show Author Affiliations
Yan Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Chunyu Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Yutian Lu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 6344:
Advanced Laser Technologies 2005
Ivan A. Shcherbakov; Kexin Xu; Qingyue Wang; Alexander V. Priezzhev; Vladimir I. Pustovoy, Editor(s)

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