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Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser

Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser
Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser
Highly-efficient repetitive passive Q-switching of a cladding-pumped Er-Yb fiber laser has been demonstrated by employing an external cavity configuration containing a Co2+:ZnS crystal as saturable absorber. Energies up to 60µJ in pulses of duration as short as 3.5ns (FWHM), corresponding to a peak power >10kW, have been generated, and the maximum slope efficiency with respect to absorbed pump power was 13%. Using a bulk diffraction grating in Littrow configuration to provide wavelength selective feedback, the passively Q-switched fiber laser was tuned over 31nm from 1532nm to 1563nm. The prospects for further improvement in performance will be discussed.
0146-9592
1980-1982
Laroche, M.
f45c57ba-ed2d-412e-9042-6204b466cd03
Chardon, A.M.
0ed30ece-5a60-4ed1-a21b-38cb0da4fd6c
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Clarkson, W.A.
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Girard, S.
c15ecbce-080e-4a86-a9a9-d0f4c93ecbd2
Moncorge, R.
592a8dca-41d6-4ee1-9d7f-c59eaac0a5c0
Laroche, M.
f45c57ba-ed2d-412e-9042-6204b466cd03
Chardon, A.M.
0ed30ece-5a60-4ed1-a21b-38cb0da4fd6c
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Girard, S.
c15ecbce-080e-4a86-a9a9-d0f4c93ecbd2
Moncorge, R.
592a8dca-41d6-4ee1-9d7f-c59eaac0a5c0

Laroche, M., Chardon, A.M., Nilsson, J., Shepherd, D.P., Clarkson, W.A., Girard, S. and Moncorge, R. (2002) Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser. Optics Letters, 27 (22), 1980-1982. (doi:10.1364/OL.27.001980).

Record type: Article

Abstract

Highly-efficient repetitive passive Q-switching of a cladding-pumped Er-Yb fiber laser has been demonstrated by employing an external cavity configuration containing a Co2+:ZnS crystal as saturable absorber. Energies up to 60µJ in pulses of duration as short as 3.5ns (FWHM), corresponding to a peak power >10kW, have been generated, and the maximum slope efficiency with respect to absorbed pump power was 13%. Using a bulk diffraction grating in Littrow configuration to provide wavelength selective feedback, the passively Q-switched fiber laser was tuned over 31nm from 1532nm to 1563nm. The prospects for further improvement in performance will be discussed.

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Published date: November 2002

Identifiers

Local EPrints ID: 13753
URI: https://eprints.soton.ac.uk/id/eprint/13753
ISSN: 0146-9592
PURE UUID: fbf255ae-5fad-49b3-9c9e-cdc38a15028e
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959
ORCID for D.P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184

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Date deposited: 31 Dec 2004
Last modified: 10 Dec 2019 01:57

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