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Proceedings Paper

Novel concepts for high-power fibre lasers
Author(s): Pu Wang; W. A. Clarkson; D. Y. Shen; L. J. Copper; J. K. Sahu
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Paper Abstract

High power operation of an ytterbium-doped multi-core ribbon fiber laser and a cladding pumped ytterbium-doped helical core fiber laser is reported. 320W laser output at 1045nm was demonstrated with a 10-core ytterbium doped ribbon fibre. Efficient single-mode operation of a cladding-pumped ytterbium-doped helical-core fiber laser with a 30 μm diameter core and a numerical aperture of 0.087 have also been demonstrated. The laser yielded 60.4 W of output at 1043 nm in a beam with M2 1.4 for 92.6 W launched pump power from a diode stack at 976 nm. Further more, the recently progress of a cladding-pumped ytterbium-doped helical-core superfluorescent fiber source is also reported. The highly efficient operation of the helical core fiber ASE source yielded 107W of amplified spontaneous emission output spanning the wavelength range from 1030-1160nm with a bandwidth (FWHM) of 37nm.

Paper Details

Date Published: 17 April 2006
PDF: 12 pages
Proc. SPIE 6190, Solid State Lasers and Amplifiers II, 61900I (17 April 2006); doi: 10.1117/12.668261
Show Author Affiliations
Pu Wang, Univ. of Southampton (United Kingdom)
W. A. Clarkson, Univ. of Southampton (United Kingdom)
D. Y. Shen, Univ. of Southampton (United Kingdom)
L. J. Copper, Univ. of Southampton (United Kingdom)
J. K. Sahu, Univ. of Southampton (United Kingdom)

Published in SPIE Proceedings Vol. 6190:
Solid State Lasers and Amplifiers II
Alphan Sennaroglu, Editor(s)

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