High-power diode-pumped Yb-doped silica fiber laser generating in near-infrared range

Jacek Swiderski; Andrzej S. Zajac; Marek Skorczakowski; P. Konieczny

doi:10.1117/12.568917

22 July 2004 High-power diode-pumped Yb-doped silica fiber laser generating in near-infrared range

Jacek Swiderski, Andrzej S. Zajac, Marek Skorczakowski, P. Konieczny

Proceedings Volume 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II; (2004) https://doi.org/10.1117/12.568917
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, 2003, Wilga, Poland

Abstract

In this paper high power Yb-doped double-clad fiber laser is presented. A Yb³⁺-silica fiber laser has been cladding pumped at 937 nm by a InGaAs semiconductor laser diode and operated with the slope efficiency of 73 ± 3% with respect to the incident pump power. We obtained 4 W cw-output power when working with 20-m long fiber with laser core in 7 μm diameter (cut-off wavelength - 1 μm) and pump core in 120 x 120 μm (rectangle-shaped, NA = 0.6). Yb-doping concentration has been at the level 3 - 10 • 10¹⁹ cm^-3 and attenuation in laser core has been 8 - 12 dB/km. The fiber laser operated at 1084 nm.

Citation Download Citation

Jacek Swiderski, Andrzej S. Zajac, Marek Skorczakowski, and P. Konieczny "High-power diode-pumped Yb-doped silica fiber laser generating in near-infrared range", Proc. SPIE 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, (22 July 2004); https://doi.org/10.1117/12.568917

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