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Proceedings Paper

High peak power ytterbium doped fiber amplifiers
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Paper Abstract

We have tested a series of Ytterbium doped large core fibers operating near 10Kpps and producing pulses of approximately 1ns. We have achieved 0.85mJ/pulse resulting in peak powers in excess of 2MW with 0.4ns pulses and near diffraction limited beams. In another fiber, we have achieved over 1.5mJ/pulse with pulses of 900ps corresponding to 1.65MW of peak power and M2 of 2.5. In the latter case, wall-plug efficiencies, excluding cooling of the pump diode lasers, in excess of 15% were also achieved. This fiber amplifier has operated for 2 months without any degradation or observed optical damage.

Paper Details

Date Published: 23 February 2006
PDF: 7 pages
Proc. SPIE 6102, Fiber Lasers III: Technology, Systems, and Applications, 61020N (23 February 2006); doi: 10.1117/12.646571
Show Author Affiliations
W. Torruellas, Fibertek, Inc. (United States)
Y. Chen, Fibertek, Inc. (United States)
B. McIntosh, Fibertek, Inc. (United States)
J. Farroni, Nufern (United States)
K. Tankala, Nufern (United States)
S. Webster, College of Optics and Photonics, Univ. of Central Florida (United States)
D. Hagan, College of Optics and Photonics, Univ. of Central Florida (United States)
M. J. Soileau, College of Optics and Photonics, Univ. of Central Florida (United States)
M. Messerly, Lawrence Livermore National Lab (United States)
J. Dawson, Lawrence Livermore National Lab (United States)


Published in SPIE Proceedings Vol. 6102:
Fiber Lasers III: Technology, Systems, and Applications
Andrew J. W. Brown; Johan Nilsson; Donald J. Harter; Andreas Tünnermann, Editor(s)

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