High-energy ultra-short pulse thin-disk lasers: new developments and applications

Knut Michel; Sandro Klingebiel; Marcel Schultze; Catherine Y. Tesseit; Robert Bessing; Matthias Häfner; Stefan Prinz; Dirk Sutter; Thomas Metzger

doi:10.1117/12.2208127

16 March 2016 High-energy ultra-short pulse thin-disk lasers: new developments and applications

Knut Michel, Sandro Klingebiel, Marcel Schultze, Catherine Y. Tesseit, Robert Bessing, Matthias Häfner, Stefan Prinz, Dirk Sutter, Thomas Metzger

Author Affiliations +

Proceedings Volume 9726, Solid State Lasers XXV: Technology and Devices; 972614 (2016) https://doi.org/10.1117/12.2208127
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

We report on the latest developments at TRUMPF Scientific Lasers in the field of ultra-short pulse lasers with highest output energies and powers. All systems are based on the mature and industrialized thin-disk technology of TRUMPF. Thin Yb:YAG disks provide a reliable and efficient solution for power and energy scaling to Joule- and kW-class picosecond laser systems. Due to its efficient one dimensional heat removal, the thin-disk exhibits low distortions and thermal lensing even when pumped under extremely high pump power densities of 10kW/cm². Currently TRUMPF Scientific Lasers develops regenerative amplifiers with highest average powers, optical parametric amplifiers and synchronization schemes. The first few-ps kHz multi-mJ thin-disk regenerative amplifier based on the TRUMPF thindisk technology was developed at the LMU Munich in 20081. Since the average power and energy have continuously been increased, reaching more than 300W (10kHz repetition rate) and 200mJ (1kHz repetition rate) at pulse durations below 2ps. First experiments have shown that the current thin-disk technology supports ultra-short pulse laser solutions >1kW of average power. Based on few-picosecond thin-disk regenerative amplifiers few-cycle optical parametric chirped pulse amplifiers (OPCPA) can be realized. These systems have proven to be the only method for scaling few-cycle pulses to the multi-mJ energy level. OPA based few-cycle systems will allow for many applications such as attosecond spectroscopy, THz spectroscopy and imaging, laser wake field acceleration, table-top few-fs accelerators and laser-driven coherent X-ray undulator sources. Furthermore, high-energy picosecond sources can directly be used for a variety of applications such as X-ray generation or in atmospheric research.

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Knut Michel, Sandro Klingebiel, Marcel Schultze, Catherine Y. Tesseit, Robert Bessing, Matthias Häfner, Stefan Prinz, Dirk Sutter, and Thomas Metzger "High-energy ultra-short pulse thin-disk lasers: new developments and applications", Proc. SPIE 9726, Solid State Lasers XXV: Technology and Devices, 972614 (16 March 2016); https://doi.org/10.1117/12.2208127

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