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Hannover 2020 – wissenschaftliches Programm

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K: Fachverband Kurzzeit- und angewandte Laserphysik

K 2: Laser Systems

K 2.1: Vortrag

Dienstag, 10. März 2020, 14:00–14:15, f428

Femtosecond 100 W-level OPCPAs from 800 nm to 2 µmRobert Riedel1, Michael Schulz1, Ivanka Grguraš1, Torsten Golz1, Jan H. Buß1, and •Mark J. Prandolini1,21Class 5 Photonics GmbH, Notkestr. 85, 22607 Hamburg, Germany — 2Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany

High power and high repetition rate lasers are critical for many applications in the physical, chemical, and biological sciences. Previously, laser sources from x-ray to THz were driven from Ti:Sapphire lasers at 800 nm with limited bandwidth (Fourier limited pulse of  20 fs), and more importantly limited power levels; power levels  40 W and above require large complex cooling systems. Optical parametric chirped-pulse amplification (OPCPA) together with bulk crystal white-light-generation (WLG) opens up the possibility of high power lasers (well above 100 W), with wavelength tunable and broadband (for example, < 10 fs at 800 nm), requiring no complex cooling with a compact design. Recently, 100 W-level OPCPAs are now commercially available from Class 5 Photonics GmbH from 800 nm to 2 µm.

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