Michele Puppin, Yunpei Deng, Oliver Prochnow, Jan Ahrens, Thomas Binhammer, Uwe Morgner, Marcel Krenz, Martin Wolf, Ralph Ernstorfer:
Optics Express, 23 (2), (2015), pp. 1491-1497;
Preprint: arXiv: 1409.6642 [physics.optics], (2014), pp 4;
An optical parametric chirped pulse amplifier fully based on Yb lasers at 500 kHz is described. Passive optical-synchronization is achieved between a fiber laser-pumped white-light and a 515 nm pump produced with a 200 W picosecond Yb:YAG InnoSlab amplifier. An output power up to 19.7 W with long-term stability of 0.3% is demonstrated for wavelength tunable pulses between 680 nm and 900 nm and spectral stability of 0.2%; 16.5 W can be achieved with a bandwidth supporting 5.4 fs pulses. We demonstrate compression of 30 microjoule pulses to sub-20 fs duration with a prism compressor, suitable for high harmonic generation.
The original publication is available by link DOI: 10.1364/OE.23.001491