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Proceedings Paper

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

Paper Details

Date Published: 23 December 2004
PDF: 8 pages
Proc. SPIE 5620, Solid State Laser Technologies and Femtosecond Phenomena, (23 December 2004); doi: 10.1117/12.578727
Show Author Affiliations
Yoonchan Jeong, Univ. of Southampton (United Kingdom)
Pascal Dupriez, Univ. of Southampton (United Kingdom)
Jayanta K. Sahu, Univ. of Southampton (United Kingdom)
Johan Nilsson, Univ. of Southampton (United Kingdom)
Deyuan Shen, Univ. of Southampton (United Kingdom)
W. Andrew Clarkson, Univ. of Southampton (United Kingdom)
Stuart D. Jackson, Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 5620:
Solid State Laser Technologies and Femtosecond Phenomena
Jonathan A. C. Terry; W. Andrew Clarkson, Editor(s)

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