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Fiber design for high-power low-cost Yb:Al-doped fiber laser operating at 980nm

Kim, J., Soh, D.B.S., Nilsson, J., Richardson, D.J. and Sahu, J.K. (2007) Fiber design for high-power low-cost Yb:Al-doped fiber laser operating at 980nm IEEE Journal of Selected Topics in Quantum Electronics, 13, (3), pp. 588-597. (doi:10.1109/JSTQE.2007.896628).

Record type: Article

Abstract

We investigated an Yb:Al-doped depressed-clad hollow optical fiber (DCHOF) for cladding-pumped 980nm laser operation. With a careful design, the nonzero fundamental-mode cutoff characteristics of a DCHOF allows the competing 1030-1060nm emission to be filtered out, despite being quite close to 980nm. The laser yielded over 3W of output power in a diffraction limited beam (M -parameter degrades to 2.7, as a result of increased cladding-mode lasing, as the cladding thickness is reduced.

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Published date: May 2007
Keywords: optical fiber fabrication, ytterbium, optical fiber lasers

Identifiers

Local EPrints ID: 47769
URI: http://eprints.soton.ac.uk/id/eprint/47769
ISSN: 1077-260X
PURE UUID: 1cbc188b-1f3d-4f65-baa7-35a53e675713
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

Catalogue record

Date deposited: 09 Aug 2007
Last modified: 17 Jul 2017 15:02

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Contributors

Author: J. Kim
Author: D.B.S. Soh
Author: J. Nilsson ORCID iD
Author: D.J. Richardson
Author: J.K. Sahu

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