Based on a regenerative amplifier containing two Ytterbium doped thin-disks operated at ambient temperature pulses with picosecond duration and more than 100mJ could be generated at a repetition rate of 10kHz reaching 1kW of average output power. This system is designed to operate at different repetition rates from 100kHz down to 5kHz so that even higher pulse energies can be reached. This type of ultrafast sources uncover new application fields in science. Laser based lightning rods, X-ray lasers and Compton backscatter sources are among them.
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Knut Michel, Christoph Wandt, Sandro Klingebiel, Marcel Schultze, Stephan Prinz, Catherine Y. Teisset, Sebastian Stark, Christian Grebing, Robert Bessing, Tobias Herzig, Matthias Häfner, Aleksander Budnicki, Dirk Sutter, Thomas Metzger, "kW picosecond thin-disk regenerative amplifier," Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105110K (15 February 2018);