Search Results for author: Jan Rothhardt

Found 4 papers, 1 papers with code

High-average-power femtosecond laser at 258 nm

no code implementations21 Jan 2021 Michael Müller, Arno Klenke, Thomas Gottschall, Robert Klas, Carolin Rothhardt, Stefan Demmler, Jan Rothhardt, Jens Limpert, Andreas Tünnermann

We present an ultrafast fiber laser system delivering 4. 6 W average power at 258 nm based on two-stage fourth-harmonic generation in beta barium borate (BBO).

Optics

Energetic sub-2-cycle laser with 220 W average power

no code implementations20 Jan 2021 Steffen Hädrich, Marco Kienel, Michael Müller, Arno Klenke, Jan Rothhardt, Robert Klas, Thomas Gottschall, Tino Eidam, András Drozdy, Péter Jójárt, Zoltán Várallyay, Eric Cormier, Károly Osvay, Andreas Tünnermann, Jens Limpert

Here, two-stage nonlinear compression of a 660 W femtosecond fiber laser system is utilized to achieve unprecedented average power levels of energetic ultrashort or even few-cycle laser pulses.

Optics

Agile spectral tuning of high order harmonics by inteference of two driving pulses

no code implementations11 Jan 2021 Vittoria Schuster, Vinzenz Hilbert, Robert Klas, Jan Rothhardt, Jens Limpert

In this work the experimental realization of a tunable high photon flux extreme ultraviolet light source is presented.

Optics

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