70W, 1MHz, sub-50fs Yb-Doped Fiber Laser System for High Harmonic Generation

We report the development of an ultra-fast, high repetition rate, high-power fiber laser system at 1 μm for high harmonic generation (HHG) to be deployed in a Tr-ARPES setup [1], that is currently served by a lower repetition rate Ti:Sapphire system. HHG is based on a non-linear interaction between...

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Bibliographic Details
Published in2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) p. 1
Main Authors Malekmohamadi, Sedigheh, Pergament, Mikhail, Liu, Yizhou, Seidel, Marcus, Edelmann, Marvin, Kellert, Martin, HeyI, Christoph M., Kaertner, Franz X.
Format Conference Proceeding
LanguageEnglish
Published IEEE 26.06.2023
Subjects
Europe
Frequency conversion
Gas lasers
High power fiber lasers
Laser pulses
Optical pulse generation
Power lasers
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Summary:We report the development of an ultra-fast, high repetition rate, high-power fiber laser system at 1 μm for high harmonic generation (HHG) to be deployed in a Tr-ARPES setup [1], that is currently served by a lower repetition rate Ti:Sapphire system. HHG is based on a non-linear interaction between intense laser pulses and a gaseous medium leading to the generation of short, coherent extreme UV (XUV) pulses [1]. The laser system required for efficient HHG should provide high-energy ultrashort pulses. Moreover, Tr-ARPES based on the detection of weak photo electron pulses requires a high repetition rate source [2] to maximize signal while minimizing acquisition times. Therefore, the HHG laser system with a high pulse repetition rate and peak power is necessary.
ISSN:2833-1052
DOI:10.1109/CLEO/Europe-EQEC57999.2023.10232585