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High power fiber lasers: current status and future perspectives

High power fiber lasers: current status and future perspectives
High power fiber lasers: current status and future perspectives
The rise in output power from rare-earth-doped fiber sources over the past decade, via the use of cladding-pumped fiber architectures, has been dramatic, leading to a range of fiber-based devices with outstanding performance in terms of output power, beam quality, overall efficiency, and flexibility with regard to operating wavelength and radiation format. This success in the high-power arena is largely due to the fiber's geometry, which provides considerable resilience to the effects of heat generation in the core, and facilitates efficient conversion from relatively low-brightness diode pump radiation to high-brightness laser output. In this paper we review the current state of the art in terms of continuous-wave and pulsed performance of ytterbium-doped fiber lasers, the current fiber gain medium of choice, and by far the most developed in terms of high-power performance. We then review the current status and challenges of extending the technology to other rare-earth dopants and associated wavelengths of operation. Throughout we identify the key factors currently limiting fiber laser performance in different operating regimes — in particular thermal management, optical nonlinearity, and damage. Finally, we speculate as to the likely developments in pump laser technology, fiber design and fabrication, architectural approaches, and functionality that lie ahead in the coming decade and the implications they have on fiber laser performance and industrial/scientific adoption.
0740-3224
63-92
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Richardson, D.J., Nilsson, J. and Clarkson, W.A. (2010) High power fiber lasers: current status and future perspectives. Journal of the Optical Society of America B, 27 (11), 63-92. (doi:10.1364/JOSAB.27.000B63).

Record type: Article

Abstract

The rise in output power from rare-earth-doped fiber sources over the past decade, via the use of cladding-pumped fiber architectures, has been dramatic, leading to a range of fiber-based devices with outstanding performance in terms of output power, beam quality, overall efficiency, and flexibility with regard to operating wavelength and radiation format. This success in the high-power arena is largely due to the fiber's geometry, which provides considerable resilience to the effects of heat generation in the core, and facilitates efficient conversion from relatively low-brightness diode pump radiation to high-brightness laser output. In this paper we review the current state of the art in terms of continuous-wave and pulsed performance of ytterbium-doped fiber lasers, the current fiber gain medium of choice, and by far the most developed in terms of high-power performance. We then review the current status and challenges of extending the technology to other rare-earth dopants and associated wavelengths of operation. Throughout we identify the key factors currently limiting fiber laser performance in different operating regimes — in particular thermal management, optical nonlinearity, and damage. Finally, we speculate as to the likely developments in pump laser technology, fiber design and fabrication, architectural approaches, and functionality that lie ahead in the coming decade and the implications they have on fiber laser performance and industrial/scientific adoption.

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Published date: November 2010
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 180623
URI: https://eprints.soton.ac.uk/id/eprint/180623
ISSN: 0740-3224
PURE UUID: 215413d4-2c72-450f-93a5-ff9d6cf66ac8
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

Catalogue record

Date deposited: 11 Apr 2011 14:29
Last modified: 26 Nov 2019 02:05

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Contributors

Author: D.J. Richardson ORCID iD
Author: J. Nilsson ORCID iD
Author: W.A. Clarkson

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