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.
185-196
Broderick, N.G.R.
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Offerhaus, H.L.
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Richardson, D.J.
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Sammut, R.A.
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Caplen, J.
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Dong, L.
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April 1999
Broderick, N.G.R.
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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), .
(doi:10.1006/ofte.1998.0292).
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: http://eprints.soton.ac.uk/id/eprint/77841
ISSN: 1068-5200
PURE UUID: 391fcbe4-1b76-444f-901b-9cd9901f6456
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:35
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Author:
N.G.R. Broderick
Author:
H.L. Offerhaus
Author:
R.A. Sammut
Author:
J. Caplen
Author:
L. Dong
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