12 May 2015 Picosesond pulses in deep ultraviolet produced by a 100 kHz solid-state thin disk laser
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We report on the generation of 100 kHz 0.1mJ-level deep ultraviolet pulses based on frequency-quadrupled (257.5 nm) beam of a diode pumped Yb:YAG thin disk laser at the HiLASE Centre. The 100-kHz beamline used for the generation of the harmonic frequencies is operated at an average output power of 100 W level and 2 picosecond duration of pulses. The amplification of the oscillator beam is performed in a regenerative amplifier where the thin disk serves as an active mirror. The CPA technique is used for achieving high average output power of the whole system. The outcoming laser beam at 1030 nm wavelength is frequency-doubled in an LBO crystal and then frequency-quadrupled in BBO crystal, conversion efficiencies being 40% and 19%, resp. The basic characteristics of the harmonics generation in both crystals are given.
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H. Turčičová, H. Turčičová, O. Novák, O. Novák, M. Smrž, M. Smrž, T. Miura, T. Miura, A. Endo, A. Endo, T. Mocek, T. Mocek, "Picosesond pulses in deep ultraviolet produced by a 100 kHz solid-state thin disk laser", Proc. SPIE 9513, High-Power, High-Energy, and High-Intensity Laser Technology II, 95130V (12 May 2015); doi: 10.1117/12.2178491; https://doi.org/10.1117/12.2178491


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