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Proceedings Paper

High pulse energy sub-nanosecond Tm-doped fiber laser
Author(s): Andras Cserteg; Sebastien Guillemet; Yves Hernandez; Domenico Giannone
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Paper Abstract

We report a core pumped thulium-doped fiber amplifier that generates 1.4 μJ pulses at 1980 nm with a repetition rate of 3.6 MHz preserving the original spectral bandwidth of the oscillator. The amplifier chain is seeded by a passively modelocked fiber laser with 5 mW output power and the pulses are stretched to 800 picoseconds. The amplifier is core pumped by a single mode erbium fiber laser. The slope efficiency is 35%. To the best of our knowledge, this is the first demonstration of sub nanosecond pulses with energies higher than 1 μJ coming out of a thulium-doped fiber amplifier.

Paper Details

Date Published: 15 February 2012
PDF: 7 pages
Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 82373V (15 February 2012); doi: 10.1117/12.908115
Show Author Affiliations
Andras Cserteg, Multitel A.S.B.L. (Belgium)
Sebastien Guillemet, Multitel A.S.B.L. (Belgium)
Yves Hernandez, Multitel A.S.B.L. (Belgium)
Domenico Giannone, Multitel A.S.B.L. (Belgium)

Published in SPIE Proceedings Vol. 8237:
Fiber Lasers IX: Technology, Systems, and Applications
Eric C. Honea; Sami T. Hendow, Editor(s)

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