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High-power Yb-doped multi-core ribbon fibre laser

High-power Yb-doped multi-core ribbon fibre laser
High-power Yb-doped multi-core ribbon fibre laser
Recent advances in high power cladding-pumped fibre lasers have been dramatic with output powers of up to 1kW reported for a large-core Yb-doped fibre laser [1]. One of the main challenges for efficient power-scaling of fibre lasers is reducing the complexity and increasing the efficiency of the diode pump coupling scheme, whilst preserving the pump beam brightness.

Also, as power levels increase it will necessary to increase the core area to avoid unwanted nonlinear processes and intensity-induced damage. Moreover, a fibre geometry which allows effective removal of waste heat to minimise the risk of thermally-induced damage will also be required. In conventional circular or D-shaped double-clad fibre designs it is necessary to re-shape the diode beam with roughly equal beam quality factors in orthogonal planes for efficient coupling into the fibre. This increases the complexity and the cost of the pump launching scheme and generally results in some reduction in pump power and brightness.

&more..
Wang, P.
df957848-e6e4-45f0-ba01-2d966a30aa67
Cooper, L.J.
249c1748-92f2-42aa-9cbc-0e4f5dcc3bf9
Williams, R.B.
1d172577-abdb-4589-8ded-153cf6732c20
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Scott, A.M.
e5535800-6967-4360-bcab-0b207c778f55
Jones, D.
3db17fb6-80c9-4b77-85e5-ffaa220f2db3
EPS-QEOD Europhoton
Wang, P.
df957848-e6e4-45f0-ba01-2d966a30aa67
Cooper, L.J.
249c1748-92f2-42aa-9cbc-0e4f5dcc3bf9
Williams, R.B.
1d172577-abdb-4589-8ded-153cf6732c20
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Scott, A.M.
e5535800-6967-4360-bcab-0b207c778f55
Jones, D.
3db17fb6-80c9-4b77-85e5-ffaa220f2db3

Wang, P., Cooper, L.J., Williams, R.B., Sahu, J.K., Clarkson, W.A., Scott, A.M. and Jones, D. (2004) High-power Yb-doped multi-core ribbon fibre laser. EPS-QEOD Europhoton Conference 2004. 29 Aug - 03 Sep 2004. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Recent advances in high power cladding-pumped fibre lasers have been dramatic with output powers of up to 1kW reported for a large-core Yb-doped fibre laser [1]. One of the main challenges for efficient power-scaling of fibre lasers is reducing the complexity and increasing the efficiency of the diode pump coupling scheme, whilst preserving the pump beam brightness.

Also, as power levels increase it will necessary to increase the core area to avoid unwanted nonlinear processes and intensity-induced damage. Moreover, a fibre geometry which allows effective removal of waste heat to minimise the risk of thermally-induced damage will also be required. In conventional circular or D-shaped double-clad fibre designs it is necessary to re-shape the diode beam with roughly equal beam quality factors in orthogonal planes for efficient coupling into the fibre. This increases the complexity and the cost of the pump launching scheme and generally results in some reduction in pump power and brightness.

&more..

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More information

Published date: 2004
Venue - Dates: EPS-QEOD Europhoton Conference 2004, 2004-08-29 - 2004-09-03

Identifiers

Local EPrints ID: 38229
URI: https://eprints.soton.ac.uk/id/eprint/38229
PURE UUID: d65ddc92-d759-467d-a64b-1b68e0bfb621

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Date deposited: 09 Jun 2006
Last modified: 17 Jul 2017 15:40

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