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Large mode area fibers for high power applications

Large mode area fibers for high power applications
Large mode area fibers for high power applications
We review our recent work toward designing large mode area fibers for high power applications. We show that appropriately designed doped multi-mode fibers can be used to provide robust single-mode output when used in fiber laser cavities. Single-mode (SM) fiber mode field diameters of ~35µm are demonstrated with record SM pulse energies of 0.5mJ at 1550nm with a repetition rate of 200Hz. Energies approaching 1mJ are obtained with a slight compromise in mode quality. A modification in the laser cavity results in a passively modelocked laser giving femtosecond pulses with nanojoule energies.
1068-5200
185-196
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Offerhaus, H.L.
75130d34-dbad-4f37-bbd4-08fa7c0f9d4b
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Sammut, R.A.
ae138cbb-77ae-4c40-947e-25fd19f1e749
Caplen, J.
c79f7963-556a-4fb2-a1c5-c138d35b0b9a
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Offerhaus, H.L.
75130d34-dbad-4f37-bbd4-08fa7c0f9d4b
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Sammut, R.A.
ae138cbb-77ae-4c40-947e-25fd19f1e749
Caplen, J.
c79f7963-556a-4fb2-a1c5-c138d35b0b9a
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e

Broderick, N.G.R., Offerhaus, H.L., Richardson, D.J., Sammut, R.A., Caplen, J. and Dong, L. (1999) Large mode area fibers for high power applications. Optical Fiber Technology, 5 (2), 185-196. (doi:10.1006/ofte.1998.0292).

Record type: Article

Abstract

We review our recent work toward designing large mode area fibers for high power applications. We show that appropriately designed doped multi-mode fibers can be used to provide robust single-mode output when used in fiber laser cavities. Single-mode (SM) fiber mode field diameters of ~35µm are demonstrated with record SM pulse energies of 0.5mJ at 1550nm with a repetition rate of 200Hz. Energies approaching 1mJ are obtained with a slight compromise in mode quality. A modification in the laser cavity results in a passively modelocked laser giving femtosecond pulses with nanojoule energies.

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Published date: April 1999

Identifiers

Local EPrints ID: 77841
URI: https://eprints.soton.ac.uk/id/eprint/77841
ISSN: 1068-5200
PURE UUID: 391fcbe4-1b76-444f-901b-9cd9901f6456
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 11 Mar 2010
Last modified: 29 Oct 2019 02:09

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Contributors

Author: N.G.R. Broderick
Author: H.L. Offerhaus
Author: D.J. Richardson ORCID iD
Author: R.A. Sammut
Author: J. Caplen
Author: L. Dong

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