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A diode-bar side-pumped waveguide laser with an extended stable cavity for spatial mode control

A diode-bar side-pumped waveguide laser with an extended stable cavity for spatial mode control
A diode-bar side-pumped waveguide laser with an extended stable cavity for spatial mode control
We describe the use of an extended stable cavity to control the output spatial mode of a diode-bar side-pumped slab waveguide laser. The active medium consists of a Nd:YAG core with a one-dimensional double-clad guiding structure. The device gives >10 W output power with a 56% slope efficiency for multi-mode operation, which is reduced to 33% for the best output beam quality parameters (M2 values) of 2.8×1.1. The prospects for obtaining higher efficiencies and scaling to larger average powers are discussed.
0030-4018
317-321
Li, C.
1ee7b95a-ca14-41be-92fb-0d7a56252361
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008
Wang, J.
53d8d8bd-3c17-406e-9acf-961cc86b9a00
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Li, C.
1ee7b95a-ca14-41be-92fb-0d7a56252361
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008
Wang, J.
53d8d8bd-3c17-406e-9acf-961cc86b9a00
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead

Li, C., Mackenzie, J.I., Wang, J. and Shepherd, D.P. (2003) A diode-bar side-pumped waveguide laser with an extended stable cavity for spatial mode control. Optics Communications, 226 (1-6), 317-321. (doi:10.1016/j.optcom.2003.08.026).

Record type: Article

Abstract

We describe the use of an extended stable cavity to control the output spatial mode of a diode-bar side-pumped slab waveguide laser. The active medium consists of a Nd:YAG core with a one-dimensional double-clad guiding structure. The device gives >10 W output power with a 56% slope efficiency for multi-mode operation, which is reduced to 33% for the best output beam quality parameters (M2 values) of 2.8×1.1. The prospects for obtaining higher efficiencies and scaling to larger average powers are discussed.

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Published date: 2003
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 13860
URI: http://eprints.soton.ac.uk/id/eprint/13860
DOI: doi:10.1016/j.optcom.2003.08.026
ISSN: 0030-4018
PURE UUID: 582af5e7-3496-43ad-98bf-5bed55595108
ORCID for J.I. Mackenzie: ORCID iD orcid.org/0000-0002-3355-6051
ORCID for D.P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184

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Date deposited: 22 Dec 2004
Last modified: 16 Mar 2024 03:17

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Contributors

Author: C. Li
Author: J.I. Mackenzie ORCID iD
Author: J. Wang
Author: D.P. Shepherd ORCID iD

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