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Pulsed fibre laser with spatial and temporal control

Pulsed fibre laser with spatial and temporal control
Pulsed fibre laser with spatial and temporal control

We report on novel approach to switch the optical beam profile in a fibre laser using a short piece of special passive fibre. The switching mechanism relies on selective wavelength resonance between the core and a high index surrounding ring in the fibre. Beam switching at 530 kHz from a Gaussian beam shape to a flat-top beam with a ring with corresponding M2 from 1.4 to 3.5 is demonstrated in a modified industrial pulsed fibre laser.

beam delivery, beam switching, High power fiber laser
SPIE
Almeida, Paulo
cf36cdff-54be-44e9-bf14-b31e5f805ea6
Gorman, Philip
db066f89-4918-4ddc-bab5-4dcec70354b7
Chan, Jaclyn S.
7339d99a-1d44-4313-91a7-8d2452b21069
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Almeida, Paulo
cf36cdff-54be-44e9-bf14-b31e5f805ea6
Gorman, Philip
db066f89-4918-4ddc-bab5-4dcec70354b7
Chan, Jaclyn S.
7339d99a-1d44-4313-91a7-8d2452b21069
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701

Almeida, Paulo, Gorman, Philip, Chan, Jaclyn S., Vukovic, Natasha, Codemard, Christophe A. and Zervas, Michalis N. (2018) Pulsed fibre laser with spatial and temporal control. In Fiber Lasers XV: Technology and Systems. vol. 10512, SPIE. 4 pp . (doi:10.1117/12.2289838).

Record type: Conference or Workshop Item (Paper)

Abstract

We report on novel approach to switch the optical beam profile in a fibre laser using a short piece of special passive fibre. The switching mechanism relies on selective wavelength resonance between the core and a high index surrounding ring in the fibre. Beam switching at 530 kHz from a Gaussian beam shape to a flat-top beam with a ring with corresponding M2 from 1.4 to 3.5 is demonstrated in a modified industrial pulsed fibre laser.

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More information

e-pub ahead of print date: 26 February 2018
Published date: 2018
Venue - Dates: Fiber Lasers XV: Technology and Systems 2018, , San Francisco, United States, 2018-01-29 - 2018-02-01
Keywords: beam delivery, beam switching, High power fiber laser

Identifiers

Local EPrints ID: 417936
URI: http://eprints.soton.ac.uk/id/eprint/417936
PURE UUID: 0ebc0f6f-72ad-4517-962f-c7d4722345a6
ORCID for Michalis N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 16 Feb 2018 17:32
Last modified: 16 Mar 2024 02:41

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Contributors

Author: Paulo Almeida
Author: Philip Gorman
Author: Jaclyn S. Chan
Author: Natasha Vukovic
Author: Christophe A. Codemard
Author: Michalis N. Zervas ORCID iD

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