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High-power fiber lasers

High-power fiber lasers
High-power fiber lasers
Lasers are used in a wide range of applications that benefit from the pinsharp (spatially coherent) beam and immense pulse peak power they can provide. In many cases, notably manufacturing, high average power is essential for cutting, welding, and drilling. The low-power optical fiber amplifier, acclaimed as the mainstay of the fiber-based Internet, can be massively scaled to emerge as an industrial laser frontrunner, reaching an output power of >1 kW and, more recently, an astounding 10 kW. These results were obtained with (nearly) diffraction-limited beam quality, which determines the ability to focus to a tight spot. Together with the power and wavelength, it determines the spatial brightness, or radiance. The brightness is exceptionally high for these fiber lasers, and this, rather than the power itself, determines the power density achievable on a target.
0036-8075
921-922
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Payne, David N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Payne, David N.
4f592b24-707f-456e-b2c6-8a6f750e296d

Nilsson, Johan and Payne, David N. (2011) High-power fiber lasers. Science, 332 (6032), 921-922. (doi:10.1126/science.1194863).

Record type: Article

Abstract

Lasers are used in a wide range of applications that benefit from the pinsharp (spatially coherent) beam and immense pulse peak power they can provide. In many cases, notably manufacturing, high average power is essential for cutting, welding, and drilling. The low-power optical fiber amplifier, acclaimed as the mainstay of the fiber-based Internet, can be massively scaled to emerge as an industrial laser frontrunner, reaching an output power of >1 kW and, more recently, an astounding 10 kW. These results were obtained with (nearly) diffraction-limited beam quality, which determines the ability to focus to a tight spot. Together with the power and wavelength, it determines the spatial brightness, or radiance. The brightness is exceptionally high for these fiber lasers, and this, rather than the power itself, determines the power density achievable on a target.

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More information

Published date: May 2011
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 188237
URI: http://eprints.soton.ac.uk/id/eprint/188237
ISSN: 0036-8075
PURE UUID: 912b304b-71b9-49b2-b7e4-8fe6fdd78e78
ORCID for Johan Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

Catalogue record

Date deposited: 24 May 2011 08:06
Last modified: 17 Dec 2019 01:55

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Contributors

Author: Johan Nilsson ORCID iD
Author: David N. Payne

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