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High average and peak power few-cycle laser pulses delivered by fiber pumped OPCPA system

: Rothhardt, J.; Hädrich, S.; Seise, E.; Krebs, M.; Tavella, F.; Willner, A.; Düsterer, S.; Schlarb, H.; Feldhaus, J.; Limpert, J.; Rossbach, J.; Tünnermann, A.

Postprint (916 KByte; PDF; )

Optics Express 18 (2010), No.12, pp.12719-12726
ISSN: 1094-4087
Journal Article, Electronic Publication
Fraunhofer IOF ()

We report on a high power optical parametric amplifier delivering 8 fs pulses with 6 GW peak power. The system is pumped by a fiber amplifier and operated at 96 kHz repetition rate. The average output power is as high as 6.7 W, which is the highest average power few-cycle pulse laser reported so far. When stabilizing the seed oscillator, the system delivered carrier-envelop phase stable laser pulses. Furthermore, high harmonic generation up to the 33th order (21.8 nm) is demonstrated in a Krypton gas jet. In addition, the scalability of the presented laser system is discussed.