17 May 2017 Development of high energy, sub-15 fs OPCPA system operating at 1 kHz repetition rate for ELI-Beamlines facility
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We report on the status of the high repetition rate, high energy, L1 laser beamline at the ELI-Beamlines facility. The beamline is based on picosecond optical parametric chirped pulse amplification (OPCPA) of pulses from a mode-locked Ti:Sapphire oscillator and has a target energy/repetition rate of 100 mJ/1 kHz with < 15fs pulse duration. The OPCPA pump lasers use thin disk technology to achieve the high energy and average power required to pump such a high energy, high repetition rate broadband amplifier. Here we report on the progress in beamline development and discuss the technical challenges involved in producing such a system and their solutions. A major focus of the laser development is reliable, robust operation and long term stability; mechanical, optical, and control system architecture design considerations to achieve our goals of long term stability are discussed.
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Pavel Bakule, Pavel Bakule, Roman Antipenkov, Roman Antipenkov, Jonathan T. Green, Jonathan T. Green, Jakub Novák, Jakub Novák, František Batysta, František Batysta, Bedřich Rus, Bedřich Rus, Robert Boge, Robert Boge, Zbyněk Hubka, Zbyněk Hubka, Jack A. Naylon, Jack A. Naylon, Martin Horáček, Martin Horáček, Jakub Horáček, Jakub Horáček, Petr Strkula, Petr Strkula, David Snopek, David Snopek, Lukaš Indra, Lukaš Indra, Boguslaw Tykalewicz, Boguslaw Tykalewicz, } "Development of high energy, sub-15 fs OPCPA system operating at 1 kHz repetition rate for ELI-Beamlines facility", Proc. SPIE 10241, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers III, 102410U (17 May 2017); doi: 10.1117/12.2270598; https://doi.org/10.1117/12.2270598

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