Presentation + Paper
9 June 2023 Recent status of the SYLOS 2 laser system of ELI-ALPS
Author Affiliations +
Abstract
This manuscript presents the most recent upgrades made on SYLOS2 laser system in ELI-ALPS1. These modifications on the system were done based on the feedback from the experimental end-stations during the last 3 years. First, the long virtual propagation of the super-Gaussian output beam reduced by modifying the imaging telescope after the amplification stages, which significantly improved the beam profile hindered by the propagation-related diffraction pattern. The optical parametric chirped pulse amplification (OPCPA) stages were equipped with new nonlinear crystals which enabled to reach 42 mJ output energy with <8 fs pulse duration, which is 10 mJ more than the previous configuration. To increase the high-harmonic generation (HHG) efficiency a spatial filter was installed in the laser system which provides a nearly Gaussian beam profile at the output with 80% transmission. The spatial filter is based on a glass cone and is operated under vacuum. Currently, <20 mJ, <8 fs CEP-stable pulses are provided at the user stations after the beam transport system.
Conference Presentation
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Csontos, Sz. Tóth, T. Stanislauskas, I. Balciunas, J. Adamonis, I. Abromavičius, L. T. Tóth, T. Somoskői, P. P. Geetha, D. Abt, B. Kajla, R. Lopez-Martens, and A. Börzsönyi "Recent status of the SYLOS 2 laser system of ELI-ALPS", Proc. SPIE 12577, High-power, High-energy Lasers and Ultrafast Optical Technologies, 1257703 (9 June 2023); https://doi.org/10.1117/12.2665699
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KEYWORDS
Telescopes

Crystals

Mirrors

Spatial filtering

Diffraction

Laser systems engineering

Glasses

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