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Proceedings Paper

Yb-doped fiber laser system generating 12-ns 0.7-mJ pulses at 82 kHz at 977 nm
Author(s): Johan Boullet; Romain Dubrasquet; Capucine Médina; Ramatou Bello-Doua; Nicholas Traynor; Eric Cormier
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Paper Abstract

We demonstrate an Ytterbium-doped fiber laser system generating high energy pulses at the non-conventional wavelength of 977 nm. An actively Q-switched master fiber oscillator delivers 1.2 W of average power in 12 ns pulses at 82 kHz of repetition rate. This pulsed fiber source is then amplified in an ultra-large core photonic crystal fiber amplifier up to 71 W. Deducing the fraction of power contained in interpulse ASE, we obtained 0.7 mJ pulses at 977 nm, resulting in a pulse peak-power of >55 kW. To the best to our knowledge, this system delivers the highest performances ever demonstrated in this spectral window.

Paper Details

Date Published: 12 February 2010
PDF: 6 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758005 (12 February 2010); doi: 10.1117/12.843677
Show Author Affiliations
Johan Boullet, CEA, CNRS, Univ. Bordeaux 1 (France)
Romain Dubrasquet, ALPhANOV (France)
Capucine Médina, CEA, CNRS, Univ. Bordeaux 1 (France)
Ramatou Bello-Doua, ALPhANOV (France)
Nicholas Traynor, ALPhANOV (France)
Eric Cormier, CEA, CNRS, Univ. Bordeaux 1 (France)

Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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