Highly flexible, kilowatt-class thin-disk multipass amplifier and its applications in material processing

Marwan Abdou Ahmed; André Löscher; Florian Bienert; Thomas Graf

doi:10.1117/12.3021122

20 June 2024 Highly flexible, kilowatt-class thin-disk multipass amplifier and its applications in material processing

Marwan Abdou Ahmed, André Löscher, Florian Bienert, Thomas Graf

Proceedings Volume PC13005, Laser + Photonics for Advanced Manufacturing ; PC1300502 (2024) https://doi.org/10.1117/12.3021122
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

We present in this contribution a Yb:YAG thin-disk multipass amplifier delivering sub-2 ps pulses with kilowatt of average output power at a highly flexible repetition rates ranging from MHz to several GHz. The system, developed within the european project kW-Flexiburst, delivers laser pulses from single pulse to bursts of pulses with arbitrary number of pulses (1, 3, 5, …, 1000) at up to 7.5 GHz of intra-burst repetition rate. A seed laser delivering stretched pulses at an average output power of 50 W for a single pulse configuration and up to 230 W for GHz-bursts with more than 3 pulses/burst was used. In a single pulse configuration, an average output power of up to 655 W whereas up to 1090 W were extracted in burst operation at an intra-burst repetition-rate of 1GHz. During the talk, few examples of applications using our laser will be presented.

Conference Presentation

Citation Download Citation

Marwan Abdou Ahmed, André Löscher, Florian Bienert, and Thomas Graf "Highly flexible, kilowatt-class thin-disk multipass amplifier and its applications in material processing", Proc. SPIE PC13005, Laser + Photonics for Advanced Manufacturing , PC1300502 (20 June 2024); https://doi.org/10.1117/12.3021122

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