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26 April 2019 The construction of Allegra kilohertz femtosecond laser system at ELI-Beamlines
Roman Antipenkov, František Batysta, Robert Boge, Emily Erdman, Michael Greco, Jonathan T. Green, Bedřich Himmel, Martin Horáček, Zbyněk Hubka, Lukáš Indra, Karel Majer, Tomáš Mazanec, Petr Mazurek, Jack Naylon, Jakub Novák, Václav Šobr, Alexandr Špaček, Petr Strkula, Murat Torun, Boguslaw Tykalewicz, Pavel Bakule, Bedřich Rus
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Proceedings Volume 11034, Short-pulse High-energy Lasers and Ultrafast Optical Technologies; 110340M (2019) https://doi.org/10.1117/12.2524436
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic
Abstract
The Allegra femtosecond laser system is the main driver for high harmonic and plasma x-ray secondary sources at ELI-Beamlines operating at a 1 kHz rep rate. The system is based on OPCPA technology and consists of seven amplification stages pumped by thin-disk picosecond lasers. It is designed to reach 30 mJ output in the first phase of operation and to be ramped up to 50 mJ by engaging an additional pump laser. The amplified pulse is compressed to sub-20fs by an array of chirped mirrors and higher order dispersion is pre-compensated for by a Dazzler AOPDF in the front-end. In this paper we present the overview of Allegra system and the current status of deployment with a special focus on the high average power OPCPA in vacuum.
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Roman Antipenkov, František Batysta, Robert Boge, Emily Erdman, Michael Greco, Jonathan T. Green, Bedřich Himmel, Martin Horáček, Zbyněk Hubka, Lukáš Indra, Karel Majer, Tomáš Mazanec, Petr Mazurek, Jack Naylon, Jakub Novák, Václav Šobr, Alexandr Špaček, Petr Strkula, Murat Torun, Boguslaw Tykalewicz, Pavel Bakule, and Bedřich Rus "The construction of Allegra kilohertz femtosecond laser system at ELI-Beamlines", Proc. SPIE 11034, Short-pulse High-energy Lasers and Ultrafast Optical Technologies, 110340M (26 April 2019); https://doi.org/10.1117/12.2524436
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KEYWORDS
Mirrors
Optical amplifiers
Picosecond phenomena
Femtosecond phenomena
Laser systems engineering
Pulsed laser operation
Laser development
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