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Proceedings Paper

100-kW ytterbium fiber laser
Author(s): Valentin P. Gapontsev; Valentin Fomin; Andrei Ount; Igor E. Samartsev
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Paper Abstract

Nonlinear SRS and SBS restrictions for available peak power in single-mode fiber lasers were investigated. Various technical means to overcome the limitations were developed. As result, a feasibility of 100 kW peak power at 5 nsec pulse duration and 20 W average power with near TEMoo output beam quality was demonstrated for ytterbium fiber laser with a MOPFA configuration. As alternative, Q-switch version of similar laser was developed using high-speed acousto-optic switch in ring geometry of fiber resonator. Temporal and spectral behavior of both versions vs peak power, pulse duration and repetition rate was investigated in details.

Paper Details

Date Published: 4 May 1999
PDF: 6 pages
Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999); doi: 10.1117/12.347701
Show Author Affiliations
Valentin P. Gapontsev, IPG Laser GmbH (Russia)
Valentin Fomin, IPG Laser GmbH (Germany)
Andrei Ount, IPG Laser GmbH (Germany)
Igor E. Samartsev, IPG Laser GmbH (Russia)

Published in SPIE Proceedings Vol. 3613:
Solid State Lasers VIII
Richard Scheps, Editor(s)

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