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High-power Yb-doped multi-core ribbon fiber laser

Cooper, L.J., Wang, P., Williams, R.B., Sahu, J.K., Clarkson, W.A., Scott, A.M. and Jones, D. (2005) High-power Yb-doped multi-core ribbon fiber laser Optics Letters, 30, (21), pp. 2906-2908. (doi:10.1364/OL.30.002906).

Record type: Article


A highly elongated double-clad ribbon fiber that comprises a pure-silica inner cladding with transverse dimensions of approximately 1.4 mm by 0.23 mm with a linear array of ten ytterbium-doped cores has been fabricated and operated in a simple laser configuration pumped by two diode stacks. The fiber laser yielded 320 W of output power at a center wavelength of 1045 nm in a combined beam with beam propagation factors of approximately 2 (perpendicular to the array) and approximately 150 (parallel to the array) for 576 W of launched pump power. The slope efficiency with respect to absorbed pump power was 62%. The prospects for further power scaling and improved beam quality and efficiency are discussed.

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Published date: 2005
Additional Information: 3329
Keywords: fiber optics and optical communications, fiber optics amplifiers and oscillators, lasers and laser optics, lasers, diode-pumped
Organisations: Optoelectronics Research Centre


Local EPrints ID: 30188
ISSN: 0146-9592
PURE UUID: 10926ad1-2863-4ded-8d5f-7f993c2b7026

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Date deposited: 11 May 2006
Last modified: 17 Jul 2017 15:55

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Author: L.J. Cooper
Author: P. Wang
Author: R.B. Williams
Author: J.K. Sahu
Author: W.A. Clarkson
Author: A.M. Scott
Author: D. Jones

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