Approaching TW-peak powers at >10kHz repetition rate by multi-dimensional coherent combining of femtosecond fiber lasers

S. Breitkopf; T. Eidam; L. von Grafenstein; A. Klenke; H. Carstens; S. Holzberger; I. Pupeza; E. Fill; T. Schreiber; J. Limpert; F. Krausz; A. Tünnermann

doi:10.1117/12.2037327

7 March 2014 Approaching TW-peak powers at >10kHz repetition rate by multi-dimensional coherent combining of femtosecond fiber lasers

S. Breitkopf, T. Eidam, L. von Grafenstein, A. Klenke, H. Carstens, S. Holzberger, I. Pupeza, E. Fill, T. Schreiber, J. Limpert, F. Krausz, A. Tünnermann

Author Affiliations +

Proceedings Volume 8961, Fiber Lasers XI: Technology, Systems, and Applications; 896106 (2014) https://doi.org/10.1117/12.2037327
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

Novel laser applications such as laser-wake-field acceleration of particles require extreme parameters from ultra-short-pulse systems. We propose a concept capable to realize simultaneously multi-TW peak powers and multi-kW average powers by employing spatially and temporally separated amplification of chirped laser pulses delivered by fiber-amplifiers. As a combining element for the temporally 100 ns separated pulses (10 MHz repetition rate) we suggest a non-steady-state enhancement cavity using a fast switching-element to dump out the enhanced pulses at 15 kHz.

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S. Breitkopf, T. Eidam, L. von Grafenstein, A. Klenke, H. Carstens, S. Holzberger, I. Pupeza, E. Fill, T. Schreiber, J. Limpert, F. Krausz, and A. Tünnermann "Approaching TW-peak powers at >10kHz repetition rate by multi-dimensional coherent combining of femtosecond fiber lasers", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 896106 (7 March 2014); https://doi.org/10.1117/12.2037327

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