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200 MW peak power Tm-based fiber CPA system and prospects for further power scaling

: Stutzki, F.; Gaida, C.; Gebhardt, M.; Jauregui, C.; Limpert, J.; Tünnermann, A.

Optical Society of America -OSA-, Washington/D.C.:
European Conference on Lasers and Electro-Optics 2015 : European Quantum Electronics Conference, Munich, Germany, 21–25 June 2015
Washington, DC: OSA, 2015
ISBN: 978-1-4673-7475-0
Paper CJ 13 1
European Conference on Lasers and Electro-Optics (CLEO Europe) <2015, Munich>
European Quantum Electronics Conference (EQEC) <2015, Munich>
Fraunhofer IOF ()

Thulium-doped fused-silica fibers are a promising platform for the amplification of ultrashort pulses to high average and peak powers [1,2]. Their broad emission cross section around two micron supports pulse durations shorter than 100 fs and they can be efficiently pumped around 790 nm by exploiting beneficial cross-relaxation processes. Tm-based fiber-laser sytems with sub-ps pulse duration have already reached an average power of up to 152 W [3]. In this contribution, a record pulse peak power of more than 200 MW is presented and the further scaling potential is discussed.