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High-average power ultrafast Yb: Innoslab amplifier

: Russbueldt, P.; Mans, T.; Hoffmann, D.; Schippel, S.


Nolte, Stefan:
Ultrashort pulse laser technology : Laser sources and applications
Cham: Springer International Publishing, 2016 (Springer series in optical sciences 195)
ISBN: 978-3-319-17658-1
ISBN: 978-3-319-17659-8 (eBook)
ISBN: 3-319-17658-7
Book Article
Fraunhofer ILT ()

The state of the art of Yb:Innoslab femtosecond amplifiers is presented. Diode-pumped Innoslab amplifiers are designed for a good thermal management and low nonlinearity and enable ultrafast laser systems with high average power and almost diffraction limited beam quality. The presented compact femtosecond oscillator-Yb:Innoslab amplifier MOPA provide nearly transform and diffraction limited 640 fs pulses at 620 W average output power and 20 MHz repetition rate. By cascading two amplifiers an average output power of 1.1 kW and peak power of 80 MW is achieved in a single, linearly polarized beam. The specific properties and scaling laws of Yb:Innoslabs are discussed.