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Multi-kW Thin-Disk Amplifiers

Catherine Y. Teisset,Christoph Wandt,Marcel Schultze,Sandro Klingebiel,Matthias Häfner,Stephan Prinz,Sebastian Stark,Christian Grebing,Jan-Philipp Negel,Helge Höck,Michael Scharun,Thomas Dietz,Dominik Bauer,Aleksander Budnicki,Christian Stolzenburg,Dirk Sutter,Alexander Killi,Thomas Metzger

High-Brightness Sources and Light-driven Interactions（2018）

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Abstract
We report on commercial picosecond thin-disk regenerative amplifiers providing pulse energies up to 200 mJ and 1 kW of average power. A monolithic mirror array was developed for further scaling in a multipass arrangement. First tests in continuous and nanosecond regimes yielded respectively 20 kW and 3 kW of output power. By merging both technologies and adding a nonlinear compression stage, sub-50-fs pulses are feasible at a multi-kW level.
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Key words
Amplifier,Regenerative amplification,Optical amplifier,Picosecond,Thin disk,Nanosecond,Laser,Fiber Bragg grating,Optoelectronics,Materials science
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