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6. Spectral shaping of a 5 Hz, multi-joule OPCPA frontend for a 10 PW laser system

Author

Sandra Bruce, Eric Beutlich, Jan Hubáček, Michael E Donovan, František Batysta, Gilles Chériaux, Jonas Kolenda, Chris Malato, Robertas Kananavicius, T. Borger, Gavin Friedman, Bedřich Rus, Todd Ditmire, Jonathan T. Green, Dave Hidinger, Jeffrey A. Jarboe, Jan Bartoníček, Daniel B. Kramer, Štěpán Vyhlídka, April Kissinger, Pavel Trojek, Erhard Gaul, Jack A. Naylon, and Roman Antipenkov

Subjects
Materials science, business.industry, Amplifier, Bandwidth (signal processing), Energy conversion efficiency, Nanosecond, Laser, Pulse shaping, law.invention, Full width at half maximum, law, Picosecond, Optoelectronics, business
Abstract

We report on the status of the re-commissioning of a high energy OPCPA laser system with programmable spectrum that serves as a frontend for a 10 PW laser at ELI-Beamlines. The OPCPA chain was developed by a consortium of National Energetics and Ekspla along with scientists of ELI-Beamlines.1 The laser system, consisting of three picosecond OPCPA stages, pulse cleaner, Offner stretcher, and 5 nanosecond OPCPA stages pumped by Nd:YAG lasers with programmable pulse shape (NL944, Ekspla), allows for precise spectral shaping while achieving high nonlinear conversion efficiency. Employing a subsequent Nd:glass power amplifiers (PA), the system was demonstrated to yield>1 kJ of energy, while maintaining broad spectrum of > 13 nm (FWHM). After recommissioning the OPCPA frontend in Dolni Břežany, an output energy of 4.3 J, flat beam-profile and good far-field quality has been demonstrated. The spectral shape has been optimized to support > 15 nm bandwidth and >1.5 kJ, consistent with 10 PW operation of the fully integrated laser system after compression.

Published
2019
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7. ELI-beamlines: progress in development of next generation short-pulse laser systems

Author

G. Johnson, M. A. Drouin, Emily Sistrunk, T. Havlíček, Gavin Friedman, R. Baše, Christopher D. Marshall, L. Koubíková, Zbyněk Hubka, Daniel B. Kramer, Shawn Betts, A. Jochmann, S. Telford, Robert Boge, David A. Smith, A. Honsa, Mikael Martinez, Davorin Peceli, Cristina Hernandez-Gomez, František Batysta, Klaus Ertel, Todd Ditmire, Doug Hammond, P. Korous, Štěpán Vyhlídka, K. Kasl, Jonathan T. Green, J. C. Lagron, Thomas Metzger, P. Hribek, Martin Horáček, D. Snopek, E. Koh, Christopher J Edwards, J. Thoma, M. Laub, Gilles Chériaux, Michal Koselja, J. Weiss, Tomáš Mazanec, E. Verhagen, Jakub Novák, Jan Hubáček, Alvin C. Erlandson, Paul Mason, Josef Cupal, Tayyab I. Suratwala, J. Horner, Alexander R. Meadows, J. Jarboe, John R. Collier, Martin Fibrich, Jan Bartoníček, J. Stanley, S. Buck, M. Schultze, Jiri Polan, M. Kepler, Boguslaw Tykalewicz, Michal Ďurák, P. Homer, T. Spinka, C. Frederickson, Pavel Bakule, Pavel Trojek, Christopher J. Stolz, Václav Šobr, D. Mason, Roman Antipenkov, Andy J. Bayramian, Erhard Gaul, D. Kim, Andrew Lintern, Jack A. Naylon, C. Malato, Bedřich Himmel, Dave Hidinger, Lukáš Indra, Bedřich Rus, G. Kalinchenko, Constantin Haefner, Michael E Donovan, and Praveen Kumar Velpula

Subjects
Optical amplifier, Materials science, business.industry, Amplifier, Ti:sapphire laser, Laser pumping, Laser, 01 natural sciences, 010305 fluids & plasmas, Semiconductor laser theory, law.invention, 010309 optics, Optics, law, 0103 physical sciences, Optoelectronics, Laser power scaling, business, Tunable laser
Abstract

Overview of progress in construction and testing of the laser systems of ELI-Beamlines, accomplished since 2015, is presented. Good progress has been achieved in construction of all four lasers based largely on the technology of diode-pumped solid state lasers (DPSSL). The first part of the L1 laser, designed to provide 200 mJ

Published
2017
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