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Approach for power scaling solid-state lasers with intracavity motion

Approach for power scaling solid-state lasers with intracavity motion
Approach for power scaling solid-state lasers with intracavity motion
Solid-state lasers are typically limited by adverse thermal effects within the gain medium. In this paper we describe a new method for dramatically reducing thermal effects in an end-pumped solid-state laser by incorporating a rotating intracavity periscope in the resonator to spatially separate the lasing and thermal processes. In contrast to previous examples of moving solid-state lasers our approach keeps the gain medium stationary simplifying the heat removal arrangement. This scheme has been applied to a Nd:YAG laser yielding an output power of 120 W at 1.064 µm, limited by available pump power. Analysis suggests that scaling to much higher power is feasible with the appropriate laser design.
0146-9592
1-4
Eckold, Matthew
697d5a37-b46e-4f55-bfe6-b6ef1d1b8188
Mackenzie, Jacob
1d82c826-fdbf-425b-ac04-be43ccf12008
Clarkson, William A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Eckold, Matthew
697d5a37-b46e-4f55-bfe6-b6ef1d1b8188
Mackenzie, Jacob
1d82c826-fdbf-425b-ac04-be43ccf12008
Clarkson, William A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Eckold, Matthew, Mackenzie, Jacob and Clarkson, William A. (2017) Approach for power scaling solid-state lasers with intracavity motion. Optics Letters, 1-4. (doi:10.1364/OL.42.000775).

Record type: Article

Abstract

Solid-state lasers are typically limited by adverse thermal effects within the gain medium. In this paper we describe a new method for dramatically reducing thermal effects in an end-pumped solid-state laser by incorporating a rotating intracavity periscope in the resonator to spatially separate the lasing and thermal processes. In contrast to previous examples of moving solid-state lasers our approach keeps the gain medium stationary simplifying the heat removal arrangement. This scheme has been applied to a Nd:YAG laser yielding an output power of 120 W at 1.064 µm, limited by available pump power. Analysis suggests that scaling to much higher power is feasible with the appropriate laser design.

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Approach for power scaling solid-state lasers with intracavity motion.pdf - Accepted Manuscript
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More information

Accepted/In Press date: 23 November 2016
e-pub ahead of print date: 28 November 2016
Published date: 10 February 2017
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 404312
URI: https://eprints.soton.ac.uk/id/eprint/404312
ISSN: 0146-9592
PURE UUID: dabaadd9-5a64-4337-a67f-451fa5127101
ORCID for Jacob Mackenzie: ORCID iD orcid.org/0000-0002-3355-6051

Catalogue record

Date deposited: 05 Jan 2017 14:47
Last modified: 26 Nov 2019 06:23

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