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  • Received: Aug. 1, 2020

    Accepted: Oct. 26, 2020

    Posted: Jan. 5, 2021

    Published Online: Jan. 5, 2021

    The Author Email: Ioan Dancus (ioan.dancus@eli-np.ro)

    DOI: 10.1017/hpl.2020.41

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    François Lureau, Guillaume Matras, Olivier Chalus, Christophe Derycke, Thomas Morbieu, Christophe Radier, Olivier Casagrande, Sébastien Laux, Sandrine Ricaud, Gilles Rey, Alain Pellegrina, Caroline Richard, Laurent Boudjemaa, Christophe Simon-Boisson, Andrei Baleanu, Romeo Banici, Andrei Gradinariu, Constantin Caldararu, Bertrand De Boisdeffre, Petru Ghenuche, Andrei Naziru, Georgios Kolliopoulos, Liviu Neagu, Razvan Dabu, Ioan Dancus, Daniel Ursescu. High-energy hybrid femtosecond laser system demonstrating 2 × 10 PW capability[J]. High Power Laser Science and Engineering, 2020, 8(4): 04000e43

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High Power Laser Science and Engineering, Vol. 8, Issue 4, 04000e43 (2020)

High-energy hybrid femtosecond laser system demonstrating 2 × 10 PW capability 

François Lureau1, Guillaume Matras1, Olivier Chalus1, Christophe Derycke1, Thomas Morbieu1, Christophe Radier1, Olivier Casagrande1, Sébastien Laux1, Sandrine Ricaud1, Gilles Rey1, Alain Pellegrina1, Caroline Richard1, Laurent Boudjemaa1, Christophe Simon-Boisson1, Andrei Baleanu2, Romeo Banici2, Andrei Gradinariu2, Constantin Caldararu2, Bertrand De Boisdeffre3, Petru Ghenuche3, Andrei Naziru3,4, Georgios Kolliopoulos3, Liviu Neagu3, Razvan Dabu3, Ioan Dancus3,*, and Daniel Ursescu3

Author Affiliations

  • 1Thales LAS France, 78990Élancourt, France
  • 2Thales Systems Romania, 060071București, Romania
  • 3Extreme Light Infrastructure – Nuclear Physics, ‘Horia Hulubei’ National Institute for Physics and Nuclear Engineering, 077125Bucharest Magurele, Romania
  • 4University of Bucharest, Faculty of Physics, 077125Bucharest Magurele, Romania

Abstract

We report on a two-arm hybrid high-power laser system (HPLS) able to deliver 2 × 10 PW femtosecond pulses, developed at the Bucharest-Magurele Extreme Light Infrastructure Nuclear Physics (ELI-NP) Facility. A hybrid front-end (FE) based on a Ti:sapphire chirped pulse amplifier and a picosecond optical parametric chirped pulse amplifier based on beta barium borate (BBO) crystals, with a cross-polarized wave (XPW) filter in between, has been developed. It delivers 10 mJ laser pulses, at 10 Hz repetition rate, with more than 70 nm spectral bandwidth and high-intensity contrast, in the range of 1013:1. The high-energy Ti:sapphire amplifier stages of both arms were seeded from this common FE. The final high-energy amplifier, equipped with a 200 mm diameter Ti:sapphire crystal, has been pumped by six 100 J nanosecond frequency doubled Nd:glass lasers, at 1 pulse/min repetition rate. More than 300 J output pulse energy has been obtained by pumping with only 80% of the whole 600 J available pump energy. The compressor has a transmission efficiency of 74% and an output pulse duration of 22.7 fs was measured, thus demonstrating that the dual-arm HPLS has the capacity to generate 10 PW peak power femtosecond pulses. The reported results represent the cornerstone of the ELI-NP 2 × 10 PW femtosecond laser facility, devoted to fundamental and applied nuclear physics research.

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