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Power and radiance scaling of a 946 nm Nd:YAG planar waveguide laser

Power and radiance scaling of a 946 nm Nd:YAG planar waveguide laser
Power and radiance scaling of a 946 nm Nd:YAG planar waveguide laser
We present a diode-end-pumped Nd:YAG planar waveguide laser operating on neodymium's quasi-four-level transition at a wavelength of 946 nm. Two modes of operation are described: a high-power multi-mode monolithic cavity generating 105 for 210 W of incident pump power with a slope efficiency of ~54%, and secondly, a high-radiance configuration employing an external stable resonator producing a maximum output power of 29.2 for 86.5 W of incident pump-power, with a slope efficiency of 33%. The output beam quality values of the external cavity were M2 of 3.2 by 2.4, leading to a maximum radiance of 0.43 GW cm-2 sr-1.
1054-660X
494-498
Ng, S.P.
3c81341f-b5ea-43ed-bea3-c603c0fd380d
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008
Ng, S.P.
3c81341f-b5ea-43ed-bea3-c603c0fd380d
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008

Ng, S.P. and Mackenzie, J.I. (2012) Power and radiance scaling of a 946 nm Nd:YAG planar waveguide laser. Laser Physics, 22 (3), 494-498. (doi:10.1134/S1054660X12030140). (In Press)

Record type: Article

Abstract

We present a diode-end-pumped Nd:YAG planar waveguide laser operating on neodymium's quasi-four-level transition at a wavelength of 946 nm. Two modes of operation are described: a high-power multi-mode monolithic cavity generating 105 for 210 W of incident pump power with a slope efficiency of ~54%, and secondly, a high-radiance configuration employing an external stable resonator producing a maximum output power of 29.2 for 86.5 W of incident pump-power, with a slope efficiency of 33%. The output beam quality values of the external cavity were M2 of 3.2 by 2.4, leading to a maximum radiance of 0.43 GW cm-2 sr-1.

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Accepted/In Press date: 2012
Organisations: Optoelectronics Research Centre
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 334034
URI: http://eprints.soton.ac.uk/id/eprint/334034
DOI: doi:10.1134/S1054660X12030140
ISSN: 1054-660X
PURE UUID: 34ea5501-5306-442a-ae14-17beae4358ea
ORCID for J.I. Mackenzie: ORCID iD orcid.org/0000-0002-3355-6051

Catalogue record

Date deposited: 06 Mar 2012 13:48
Last modified: 15 Mar 2024 03:07

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Contributors

Author: S.P. Ng
Author: J.I. Mackenzie ORCID iD

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