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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.
21f4bbd0-f650-4fb1-b35c-664a18c05dcd
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.
21f4bbd0-f650-4fb1-b35c-664a18c05dcd
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: https://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

Catalogue record

Date deposited: 09 Aug 2007
Last modified: 10 Dec 2019 01:57

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