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K: Fachverband Kurzzeit- und angewandte Laserphysik

K 1: Laser Systems

K 1.2: Vortrag

Dienstag, 15. März 2022, 10:45–11:00, K-H4

1 MHz - CEP stable, few-cycle OPCPA with dual channel output at 800nm and 2μm wavelength — Thomas Braatz, Ekaterina Zapolnova, Sebastian Starosielec, Torsten Golz, •Kolja Kolata, Mark Prandolini, Jan Heye Buss, Michael Schulz, and Robert Riedel — Class 5 Photonics GmbH, Research Campus Hamburg Bahrenfeld, Luruper Hauptstrasse 1, 22547 Hamburg, Germany

Active carrier envelope phase (CEP) stabilization in the few-cycle regime is essential for most attosecond experiments, e.g. studying the coherent evolution of electronic structure and dynamics in solids or complex many body phenomena crystals, require active carrier envelope phase stabilization in the few-cycle regime. We present an optical parametric chirped-pulse amplifier (OPCPA) design providing CEP stable, sub 9 fs pulses with a dual channel output around 800 nm center wavelength and 2 *m as a high-harmonic driver for attosecond experiments. Two CEP stable OPCPA designs (a) high repetition rate and (b) a high pulse-energy system will be demonstrated.