810 W continuous-wave and single-transverse-mode fibre laser using 20 mu m core Yb-doped double-clad fibre

In this paper, it is shown that continuous-wave kW-power fibre lasers can be built using double-clad fibres with relatively small cores. An 810 W in a single-transverse- mode output (M super( 2)=1.27) is demonstrated experimentally with 20 mm core low-NA (NA=0.06) Yb-doped double-clad fibre. A laser...

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Published inElectronics letters Vol. 40; no. 23; p. 1
Main Authors Liu, C-H, Ehlers, B, Doerfel, F, Heinemann, S, Carter, A, Tankala, K, Farroni, J, Galvanauskas, A
Format Journal Article
LanguageEnglish
Published 01.11.2004
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Abstract In this paper, it is shown that continuous-wave kW-power fibre lasers can be built using double-clad fibres with relatively small cores. An 810 W in a single-transverse- mode output (M super( 2)=1.27) is demonstrated experimentally with 20 mm core low-NA (NA=0.06) Yb-doped double-clad fibre. A laser numerical model matches experimental results and predicts scalability of achievable powers into a multi-kW range.
AbstractList In this paper, it is shown that continuous-wave kW-power fibre lasers can be built using double-clad fibres with relatively small cores. An 810 W in a single-transverse- mode output (M super( 2)=1.27) is demonstrated experimentally with 20 mm core low-NA (NA=0.06) Yb-doped double-clad fibre. A laser numerical model matches experimental results and predicts scalability of achievable powers into a multi-kW range.
Author Farroni, J
Ehlers, B
Heinemann, S
Doerfel, F
Carter, A
Galvanauskas, A
Liu, C-H
Tankala, K
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Snippet In this paper, it is shown that continuous-wave kW-power fibre lasers can be built using double-clad fibres with relatively small cores. An 810 W in a...
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SubjectTerms Continuous fibers
Fibers
Fibre
Fibres
Lasers
Mathematical models
Title 810 W continuous-wave and single-transverse-mode fibre laser using 20 mu m core Yb-doped double-clad fibre
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