Thulium-ytterbium co-doped fiber laser with 75 W of output power at 2 µm

Yoonchan Jeong; Pascal Dupriez; Jayanta K. Sahu; Johan Nilsson; Deyuan Shen; W. Andrew Clarkson; Stuart D. Jackson

doi:10.1117/12.578727

23 December 2004 Thulium-ytterbium co-doped fiber laser with 75 W of output power at 2 μm

Yoonchan Jeong, Pascal Dupriez, Jayanta K. Sahu, Johan Nilsson, Deyuan Shen, W. Andrew Clarkson, Stuart D. Jackson

Proceedings Volume 5620, Solid State Laser Technologies and Femtosecond Phenomena; (2004) https://doi.org/10.1117/12.578727
Event: European Symposium on Optics and Photonics for Defence and Security, 2004, London, United Kingdom

Abstract

We report power-scaling of an ytterbium-sensitized thulium-doped silica fiber laser generating up to 75 W of output power in the 2 μm wavelength range when cladding-pumped by a 975 nm diode stack. The slope efficiency is 32% with respect to launched pump power and the beam quality factor (M²) is 1.3. We also investigate the characteristics of this fiber in a tunable laser configuration, operating at ~10 W of output power with the tuning range extended from 2000 to 2080 nm at a launched pump power of 40 W.

Citation Download Citation

Yoonchan Jeong, Pascal Dupriez, Jayanta K. Sahu, Johan Nilsson, Deyuan Shen, W. Andrew Clarkson, and Stuart D. Jackson "Thulium-ytterbium co-doped fiber laser with 75 W of output power at 2 μm", Proc. SPIE 5620, Solid State Laser Technologies and Femtosecond Phenomena, (23 December 2004); https://doi.org/10.1117/12.578727

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