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Recent changes in high power optical fibers

Recent changes in high power optical fibers
Recent changes in high power optical fibers
In the past years we have witnessed remarkable advances in optical fiber laser and amplifier technologies. Optical fiber lasers of output powers beyond a kilowatt or multi-kilowatt with high beam quality have already been demonstrated and started to be deployed in industries. This rapid progress has been stimulated by the exceptional power-handling capability of optical fibers as gain media as well as the availability of powerful diode lasers for use as pumps. The progress was first made at around 1.1 microns with Yb-doping, next around 1.6 microns with Er-doping, and most recently at wavelengths around 2 microns with Tm-doping. Optical fiber lasers have numerous attractions over the more conventional "bulk" lasers in terms of energy-efficiency, power-scalability, thermal-management, flexibility and controllability in spatial/spectral/temporal domains, compactness, cost-effectiveness, and more. Indeed, this optical fiber photonic circuitry combined with pump-diode technology provides a unique high-gain environment for robust designs, which are also all-solid state, compact, reliable, and reproducible. Here we review the recent advances in high power optical fibers with a particular focus on rare-earth-doped optical fibers in conventional double-clad, large-core designs as well as in novel microstructured designs for more refined performances. We also review some passive-type optical fibers particularly devised for high-power operations, e.g. double-clad passive-core fibers for Raman conversion, single-clad fibers and microstructured fibers for four-wave mixing, photonic bandgap fibers for beam delivery. We discuss their fundamental aspects and future prospects, also presenting our up-to-date experimental results based on various high power optical fibers developed at the ORC.
Jeong, Y.
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Codemard, C.
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Ji, J.
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Vazquez-Zuniga, L.A.
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van der Westhuizen, G.
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Yoo, S.
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Boyland, A.J.
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Petrovich, M.N.
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Poletti, F.
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Sahu, J.K.
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Nilsson, J.
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Richardson, D.J.
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Payne, D.N.
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Jeong, Y.
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Codemard, C.
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Ji, J.
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Vazquez-Zuniga, L.A.
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van der Westhuizen, G.
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Yoo, S.
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Boyland, A.J.
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Petrovich, M.N.
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Poletti, F.
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Sahu, J.K.
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Nilsson, J.
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Richardson, D.J.
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Payne, D.N.
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Jeong, Y., Codemard, C., Ji, J., Vazquez-Zuniga, L.A., van der Westhuizen, G., Yoo, S., Boyland, A.J., Petrovich, M.N., Poletti, F., Sahu, J.K., Nilsson, J., Richardson, D.J. and Payne, D.N. (2010) Recent changes in high power optical fibers. ICOOPMA 2010: International Conference on Optical, Optoelectronic and Photonic Materials and Applications, Hungary. 15 - 21 Aug 2010.

Record type: Conference or Workshop Item (Other)

Abstract

In the past years we have witnessed remarkable advances in optical fiber laser and amplifier technologies. Optical fiber lasers of output powers beyond a kilowatt or multi-kilowatt with high beam quality have already been demonstrated and started to be deployed in industries. This rapid progress has been stimulated by the exceptional power-handling capability of optical fibers as gain media as well as the availability of powerful diode lasers for use as pumps. The progress was first made at around 1.1 microns with Yb-doping, next around 1.6 microns with Er-doping, and most recently at wavelengths around 2 microns with Tm-doping. Optical fiber lasers have numerous attractions over the more conventional "bulk" lasers in terms of energy-efficiency, power-scalability, thermal-management, flexibility and controllability in spatial/spectral/temporal domains, compactness, cost-effectiveness, and more. Indeed, this optical fiber photonic circuitry combined with pump-diode technology provides a unique high-gain environment for robust designs, which are also all-solid state, compact, reliable, and reproducible. Here we review the recent advances in high power optical fibers with a particular focus on rare-earth-doped optical fibers in conventional double-clad, large-core designs as well as in novel microstructured designs for more refined performances. We also review some passive-type optical fibers particularly devised for high-power operations, e.g. double-clad passive-core fibers for Raman conversion, single-clad fibers and microstructured fibers for four-wave mixing, photonic bandgap fibers for beam delivery. We discuss their fundamental aspects and future prospects, also presenting our up-to-date experimental results based on various high power optical fibers developed at the ORC.

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More information

e-pub ahead of print date: 2010
Venue - Dates: ICOOPMA 2010: International Conference on Optical, Optoelectronic and Photonic Materials and Applications, Hungary, 2010-08-15 - 2010-08-21
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 340569
URI: https://eprints.soton.ac.uk/id/eprint/340569
PURE UUID: 19b300b4-62c8-444f-ad77-03d563b03fef
ORCID for M.N. Petrovich: ORCID iD orcid.org/0000-0002-3905-5901
ORCID for F. Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 26 Jun 2012 13:28
Last modified: 07 Sep 2019 00:39

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Contributors

Author: Y. Jeong
Author: C. Codemard
Author: J. Ji
Author: L.A. Vazquez-Zuniga
Author: G. van der Westhuizen
Author: S. Yoo
Author: A.J. Boyland
Author: M.N. Petrovich ORCID iD
Author: F. Poletti ORCID iD
Author: J.K. Sahu
Author: J. Nilsson ORCID iD
Author: D.J. Richardson ORCID iD
Author: D.N. Payne

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