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Cryogenically cooled 946nm Nd:YAG laser

Cryogenically cooled 946nm Nd:YAG laser
Cryogenically cooled 946nm Nd:YAG laser
We present the first multi-Watt demonstration of a diode pumped cryogenically cooled neodymium-doped yttrium aluminum garnet (YAG) laser operating at 946 nm on the 4F3/2 to 4I9/2 transition. 3.8 W of continuous wave output power for 12.8 W of absorbed pump was obtained with a slope efficiency of 47%. In addition, we made an extensive characterization of the spectroscopic properties around the pump and laser wavelengths over the temperature range of 77 K to 300 K to find an increase of ~2.5 times for both the absorption and emission cross sections at the lowest temperature.
1094-4087
8069-8075
Yoon, S.J.
fcca92bf-3283-4ba8-85d5-767ca419aa9f
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008
Yoon, S.J.
fcca92bf-3283-4ba8-85d5-767ca419aa9f
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008

Yoon, S.J. and Mackenzie, J.I. (2014) Cryogenically cooled 946nm Nd:YAG laser. Optics Express, 22 (7), 8069-8075. (doi:10.1364/OE.22.008069).

Record type: Article

Abstract

We present the first multi-Watt demonstration of a diode pumped cryogenically cooled neodymium-doped yttrium aluminum garnet (YAG) laser operating at 946 nm on the 4F3/2 to 4I9/2 transition. 3.8 W of continuous wave output power for 12.8 W of absorbed pump was obtained with a slope efficiency of 47%. In addition, we made an extensive characterization of the spectroscopic properties around the pump and laser wavelengths over the temperature range of 77 K to 300 K to find an increase of ~2.5 times for both the absorption and emission cross sections at the lowest temperature.

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Accepted/In Press date: 3 February 2014
e-pub ahead of print date: 31 March 2014
Published date: 31 March 2014
Organisations: Optoelectronics Research Centre
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 363719
URI: http://eprints.soton.ac.uk/id/eprint/363719
DOI: doi:10.1364/OE.22.008069
ISSN: 1094-4087
PURE UUID: 2478bee3-503c-4fac-bd95-97fc7d36e77c
ORCID for J.I. Mackenzie: ORCID iD orcid.org/0000-0002-3355-6051

Catalogue record

Date deposited: 01 Apr 2014 14:14
Last modified: 15 Mar 2024 03:07

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Contributors

Author: S.J. Yoon
Author: J.I. Mackenzie ORCID iD

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