100-kW ytterbium fiber laser

Valentin P. Gapontsev; Valentin Fomin; Andrei Ount; Igor E. Samartsev

doi:10.1117/12.347701

4 May 1999 100-kW ytterbium fiber laser

Valentin P. Gapontsev, Valentin Fomin, Andrei Ount, Igor E. Samartsev

Proceedings Volume 3613, Solid State Lasers VIII; (1999) https://doi.org/10.1117/12.347701
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

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.

Citation Download Citation

Valentin P. Gapontsev, Valentin Fomin, Andrei Ount, and Igor E. Samartsev "100-kW ytterbium fiber laser", Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999); https://doi.org/10.1117/12.347701

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