Highly efficient Er,Yb-doped fiber laser with 188W free-running and > 100W tunable output power
Highly efficient Er,Yb-doped fiber laser with 188W free-running and > 100W tunable output power
Efficient high-power operation of an erbium-ytterbium co-doped fiber laser cladding-pumped by two spatially-multiplexed and polarization combined 975 nm diode-stacks is reported. Up to 188 W of continuous-wave output at 1.57 µm was generated with a beam-quality factor (M2) of 1.9 and an overall slope efficiency with respect to launched pump power of 41% (and 43% for output powers <120W).
Tunable operation was demonstrated by use of an external cavity containing a diffraction grating and a maximum output power of 108 W at 1538 nm was generated for a launched pump power of ~ 336 W. The operating wavelength was tunable from 1531 to 1571 nm, with >100W output power over a tuning range of 36 nm from 1532 nm to 1568 nm.
lasers and laser optics, infrared and far-infrared lasers, diode-pumped, fiber
4916-4921
Shen, D.Y.
f9a1bd01-6f5c-428a-83fb-3a8b2dadbaad
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
2005
Shen, D.Y.
f9a1bd01-6f5c-428a-83fb-3a8b2dadbaad
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Shen, D.Y., Sahu, J.K. and Clarkson, W.A.
(2005)
Highly efficient Er,Yb-doped fiber laser with 188W free-running and > 100W tunable output power.
Optics Express, 13 (13), .
(doi:10.1364/OPEX.13.004916).
Abstract
Efficient high-power operation of an erbium-ytterbium co-doped fiber laser cladding-pumped by two spatially-multiplexed and polarization combined 975 nm diode-stacks is reported. Up to 188 W of continuous-wave output at 1.57 µm was generated with a beam-quality factor (M2) of 1.9 and an overall slope efficiency with respect to launched pump power of 41% (and 43% for output powers <120W).
Tunable operation was demonstrated by use of an external cavity containing a diffraction grating and a maximum output power of 108 W at 1538 nm was generated for a launched pump power of ~ 336 W. The operating wavelength was tunable from 1531 to 1571 nm, with >100W output power over a tuning range of 36 nm from 1532 nm to 1568 nm.
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Published date: 2005
Keywords:
lasers and laser optics, infrared and far-infrared lasers, diode-pumped, fiber
Identifiers
Local EPrints ID: 30189
URI: http://eprints.soton.ac.uk/id/eprint/30189
ISSN: 1094-4087
PURE UUID: 5b64026a-7ab5-4385-9d59-fbdca8e12c1c
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Date deposited: 11 May 2006
Last modified: 16 Mar 2024 03:20
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Author:
D.Y. Shen
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