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.


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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.

Item Type: Article
Additional Information: 3329
ISSNs: 0146-9592 (print)
Related URLs:
Keywords: fiber optics and optical communications, fiber optics amplifiers and oscillators, lasers and laser optics, lasers, diode-pumped

ePrint ID: 30188
Date :
Date Event
Date Deposited: 11 May 2006
Last Modified: 16 Apr 2017 22:19
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/30188

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