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

High Power Laser Science and Engineering 2020年第4期8卷 104-118页

作者： 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 Thales LAS France 78990 ElancourtFrance Thales Systems Romania 060071 BucurestiRomania Extreme Light Infrastructure-Nuclear Physics ‘Horia Hulubei’National Institute for Physics and Nuclear Engineering077125 Bucharest MagureleRomania University of Bucharest Faculty of Physics077125 Bucharest MagureleRomania

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 frontend(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 *** 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:*** high-energy Ti:sapphire amplifier stages of both arms were seeded from this common *** 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 *** than 300 J output pulse energy has been obtained by pumping with only 80%of the whole 600 J available pump *** 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 *** reported results represent the cornerstone of the ELI-NP 2×10 PW femtosecond laser facility,devoted to fundamental and applied nuclear physics research.

关键词： lasers high-power laser pulses ultra-short laser pulses

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

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High Power Laser Science and Engineering 2020年第4期8卷 108-122页

作者： Fran?ois 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 Thales LAS France Thales Systems Romania Extreme Light Infrastructure – Nuclear Physics ‘Horia Hulubei' National Institute for Physics and Nuclear Engineering University of Bucharest Faculty of Physics

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 frontend(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 *** 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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