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

Fiber design for high-power low-cost Yb:Al-doped fiber laser operating at 980nm
Fiber design for high-power low-cost Yb:Al-doped fiber laser operating at 980nm
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.
optical fiber fabrication, ytterbium, optical fiber lasers
1077-260X
588-597
Kim, J.
611401fb-38dd-4c8a-a240-d8b21ca969a6
Soh, D.B.S.
63fa85d4-c6db-461a-8383-fdb1897bf3d0
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Kim, J.
611401fb-38dd-4c8a-a240-d8b21ca969a6
Soh, D.B.S.
63fa85d4-c6db-461a-8383-fdb1897bf3d0
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2

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), 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
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for J.K. Sahu: ORCID iD orcid.org/0000-0003-3560-6152

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Date deposited: 09 Aug 2007
Last modified: 16 Mar 2024 03:20

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Contributors

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

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