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Proceedings Paper

1100 W Yb:YAG femtosecond Innoslab amplifier
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Paper Abstract

Laser sources of high average power are essential to transfer femtosecond technology to industrial applications. We demonstrate a compact diode-pumped Yb:KGW femtosecond oscillator-Yb:YAG Innoslab amplifier MOPA with nearly transform and diffraction limited 636 fs pulses at 620 W average output power and 20 MHz repetition rate. By cascading two amplifiers an average output power of 1.1 kW and peak power of 80 MW is achieved in a single, linearly polarized beam. The MOPA is operated at room temperature and no CPA technique is used. The specific properties of Innoslab MOPAs are compared with fibers and thin-disks.

Paper Details

Date Published: 15 February 2011
PDF: 9 pages
Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79120R (15 February 2011); doi: 10.1117/12.878472
Show Author Affiliations
Peter Russbueldt, Fraunhofer-Institut für Lasertechnik (Germany)
Torsten Mans, RWTH Aachen Univ. (Germany)
Hans-Dieter Hoffmann, Fraunhofer-Institut für Lasertechnik (Germany)
Reinhart Poprawe, Fraunhofer-Institut für Lasertechnik (Germany)
RWTH Aachen Univ. (Germany)

Published in SPIE Proceedings Vol. 7912:
Solid State Lasers XX: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh Shori, Editor(s)

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