no code implementations • 21 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
no code implementations • 21 Jan 2021 • Michael Müller, Marco Kienel, Arno Klenke, Thomas Gottschall, Evgeny Shestaev, Marco Plötner, Jens Limpert, Andreas Tünnermann
An ultrafast fiber chirped-pulse amplifier comprising 8 coherently combined amplifier channels is presented.
Optics
no code implementations • 20 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
