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Efficient in-band pumped Ho:LuLiF4 2µm laser

Efficient in-band pumped Ho:LuLiF4 2µm laser
Efficient in-band pumped Ho:LuLiF4 2µm laser
An efficient Ho:LuLiF4 laser in-band pumped by a cladding-pumped Tm-doped silica fiber laser operating at 1937 nm is reported. At low-cavity output coupling, the Ho:LuLiF4 laser yielded 5.1 W of output at a wavelength of 2066 nm for 8.0 W of absorbed pump power with a slope efficiency of 70%. At high-cavity output coupling, the lasing wavelength shifted to 2053 nm and the laser produced an output power of 5.4 W with a slope efficiency of 76%. The beam propagation factor (M2) was measured to be ~1.1 at the maximum output power confirming fundamental transverse mode (TEMoo) operation. The influence of resonator design on laser performance is discussed, along with prospects for further power scaling and improvement of the laser efficiency.
0146-9592
420-422
Kim, J.W.
3d0ba669-a721-4922-ab5b-a73e2f81816a
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008
Parisi, D.
beaba3c2-7943-4196-8efc-76199e50e56f
Veronesi, S.
0c429e49-55e6-487c-943a-f7f13b31ba47
Tonelli, M.
eb60f888-4899-46c5-b208-e43d0dd460c7
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Kim, J.W.
3d0ba669-a721-4922-ab5b-a73e2f81816a
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008
Parisi, D.
beaba3c2-7943-4196-8efc-76199e50e56f
Veronesi, S.
0c429e49-55e6-487c-943a-f7f13b31ba47
Tonelli, M.
eb60f888-4899-46c5-b208-e43d0dd460c7
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Kim, J.W., Mackenzie, J.I., Parisi, D., Veronesi, S., Tonelli, M. and Clarkson, W.A. (2010) Efficient in-band pumped Ho:LuLiF4 2µm laser. Optics Letters, 35 (3), 420-422. (doi:10.1364/OL.35.000420).

Record type: Article

Abstract

An efficient Ho:LuLiF4 laser in-band pumped by a cladding-pumped Tm-doped silica fiber laser operating at 1937 nm is reported. At low-cavity output coupling, the Ho:LuLiF4 laser yielded 5.1 W of output at a wavelength of 2066 nm for 8.0 W of absorbed pump power with a slope efficiency of 70%. At high-cavity output coupling, the lasing wavelength shifted to 2053 nm and the laser produced an output power of 5.4 W with a slope efficiency of 76%. The beam propagation factor (M2) was measured to be ~1.1 at the maximum output power confirming fundamental transverse mode (TEMoo) operation. The influence of resonator design on laser performance is discussed, along with prospects for further power scaling and improvement of the laser efficiency.

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More information

Published date: 1 February 2010
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 78907
URI: https://eprints.soton.ac.uk/id/eprint/78907
ISSN: 0146-9592
PURE UUID: 172d3ee0-3423-48d9-a01d-349b1340cfee
ORCID for J.I. Mackenzie: ORCID iD orcid.org/0000-0002-3355-6051

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 22 Oct 2019 00:48

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Contributors

Author: J.W. Kim
Author: J.I. Mackenzie ORCID iD
Author: D. Parisi
Author: S. Veronesi
Author: M. Tonelli
Author: W.A. Clarkson

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