Thin-disk multipass amplifier for kilowatt-class ultrafast lasers above 100 mJ pulse energy

Scharun, Michael; Dominik, Johanna; Bauer, Dominik; Dannecker, Benjamin; Sutter, Dirk; Killi, Alexander; Rampp, Michael; Metzger, Thomas; Ruebling, Steffen; Quentin, Ulf; George, H.

doi:10.1117/12.2607718

Cited by 1 publication

(2 citation statements)

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“…Using additional, nonlinear compression stages, the duration of these pulses can further be reduced to well below 100 fs. In our parallel paper, [29] the upcoming industrial version of a kW laser called TruMicro Series 9000 has been presented for the first time, which will robustly enable new applications that have previously not been accessible.…”

Section: Discussionmentioning

confidence: 99%

“…More details on this industrialized ultrafast version have been presented in a parallel paper. [29] This system, which shall be called TruMicro 9000, combines an optimum selection of building blocks all mastered by TRUMPF, as discussed in the previous year's contribution to Photonics West 2023, namely the fiber-based modelocked seed oscillator, the slab amplifier module known from the TruMicro Series 6000, beam tracking stages to couple the seed to the multipass cell, an amplifier disk known from the TruDisk series, pulse-picker and external modulator, as well as an industrial housing and the latest controller architecture. [30]…”

Section: Industrialized Versionmentioning

confidence: 99%

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Kilowatt-class high repetition rate ultrafast lasers based on industrial slab and disk laser platforms

Rampp,

Dannecker,

Scharun

et al. 2024

Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV

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We demonstrate ultrafast high-power laser operation, both at multi-kW average power in ultrashort-pulsed operation over extended bursts with hundreds of MHz intra-burst repetition rate from a modified TruMicro 6020 industrial laser, as well as uninterrupted, quasi-CW operation at an average power beyond 1 kW obtained with a TEM00 multipass thin-disk laser booster amplifier. The pulse repetition rate can be varied from 50 MHz to beyond 1 GHz, with single-pulse energies well above 10 µJ and single-pulse peak powers far beyond 10 MW without a post-compressor. These systems are attractive, e.g., for high-throughput materials processing or for driving nonlinear processes.

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Section: Discussionmentioning

confidence: 99%

Section: Industrialized Versionmentioning

confidence: 99%