27 April 2016 Development of a kW-level picosecond thin-disk regenerative amplifier with a ring cavity
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Abstract
We report on development of a 100-kHz, 5-mJ picosecond system based on a two-stage thin-disk Yb:YAG regenerative amplifier. With a compact ring cavity, we obtained 565 W with 46.7% optical-to-optical efficiency in continuous-wave. In seeded operation, pulses with energy up to 4 mJ and 1.4-nm bandwidth were generated with 39% extraction efficiency. Pulse compression below 2 ps was so far demonstrated at lower pulse energy of 1 mJ. Full-power pulse compression and further pulse energy increase are under development.
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J. Mužik, M. Smrž, O. Novák, T. Miura, A. Endo, V. Kubeček, T. Mocek, "Development of a kW-level picosecond thin-disk regenerative amplifier with a ring cavity", Proc. SPIE 9893, Laser Sources and Applications III, 989307 (27 April 2016); doi: 10.1117/12.2227714; https://doi.org/10.1117/12.2227714
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