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Proceedings Paper

High-power double-clad Er-doped fiber laser
Author(s): Mikhail E. Likhachev; Leonid V. Kotov; Mikhail M. Bubnov; Oleg I. Medvedkov; Alexej A. Sysolyatin; Denis S. Lipatov; Aleksey N. Guryanov
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Paper Abstract

In this paper, we propose a novel all-fiber laser scheme with the output wavelength of 1565 nm based on a new Er-doped fiber design. A conventional commercially available pump source at 980nm (D=105μm, NA=0.2) is used for pumping. A high slope efficiency of 28% comparable with those in Er-Yb lasers was achieved owing to the utilization of the novel P2O5-Al2O3-SiO2 (PAS) glass as the host for Er3+ ions. A relatively low in-cavity fiber length (~14m) becomes possible owing to a small outer fiber diameter (80μm) and the use of a fiber taper (105μm to 80μm) for launching the pump.

Paper Details

Date Published: 10 February 2011
PDF: 8 pages
Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 791424 (10 February 2011); doi: 10.1117/12.873740
Show Author Affiliations
Mikhail E. Likhachev, Fiber Optics Research Ctr. (Russian Federation)
Leonid V. Kotov, Fiber Optics Research Ctr. (Russian Federation)
Mikhail M. Bubnov, Fiber Optics Research Ctr. (Russian Federation)
Oleg I. Medvedkov, Fiber Optics Research Ctr. (Russian Federation)
Alexej A. Sysolyatin, Fiber Optics Research Ctr. (Russian Federation)
Denis S. Lipatov, Institute of Chemistry of High-Purity Substances (Russian Federation)
Aleksey N. Guryanov, Institute of Chemistry of High-Purity Substances (Russian Federation)


Published in SPIE Proceedings Vol. 7914:
Fiber Lasers VIII: Technology, Systems, and Applications
Jay W. Dawson, Editor(s)

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