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1. Overview of the 1.15 PW PETAL laser in the LMJ facility

Author

Stéphane Bouillet, F. Granet, J. Luce, J. C. Chapuis, T. Berthier, Eric Lavastre, F. Laniesse, Martin Sozet, C. Grosset-Grange, S. Chicot, L. Hilsz, P. Garcia, T. Lacombe, G. Behar, N. Blanchot, S. Chardavoine, T. Morgaint, H. Coic, Laurent Lamaignère, J. Duthu, D. Raffestin, J. F. Charrier, P. Guerin, Francois Macias, C. Damiens Dupont, E. Mazataud, N. Santacreu, B. Remy, Jérôme Néauport, S. Noailles, C. Present, M. Mangeant, Christian Chappuis, O. Hartmann, J. P. Goossens, B. Hebrard, C. Rouyer, P. Patelli, Denis Valla, A. Roques, and E. Perrot-Minnot

Subjects
Physics, Optics, Beamline, business.industry, Section (archaeology), law, Amplifier, business, Laser, Gas compressor, law.invention
Abstract

PETAL is an additional PW beamline to the LMJ. The kJ shots in the amplifier section, the compressor alignment and the 1.15 PW @ 850 J operations are detailed. Damage issues encountered are also addressed.

Published
2017
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2. 115 PW–850 J compressed beam demonstration using the PETAL facility

Author

D. Valla, B. Hebrard, J. Luce, G. Behar, N. Blanchot, C. Grosset-Grange, C. Chappuis, T. Morgaint, S. Chardavoine, P. Guerin, T. Lacombe, F. Granet, N. Santacreu, T. Longhi, Laurent Lamaignère, B. Remy, E. Perrot-Minnot, J.C. Chapuis, F. Laniesse, P. Patelli, B. Minou, J.F. Charrier, M. Mangeant, L. Hilsz, C. Rouyer, F. Macias, C. Present, J. Duthu, C. Damiens-Dupont, S. Noailles, H. Coic, P. Garcia, E. Mazataud, Martin Sozet, Eric Lavastre, J. P. Goossens, Jérôme Néauport, Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA-CESTA), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)

Subjects
Physics, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], business.industry, Aperture synthesis, Amplifier, 02 engineering and technology, Laser, 01 natural sciences, Atomic and Molecular Physics, and Optics, law.invention, 010309 optics, 020210 optoelectronics & photonics, Optics, OCIS codes (320.0320) Ultrafast optics, (320.5520) Pulse compression, (140.3530) Lasers, neodymium, Beamline, law, Pulse compression, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Beam shaping, business, Beam (structure), Laser Mégajoule
Abstract

The Petawatt Aquitaine Laser (PETAL) facility was designed and constructed by the French Commissariat à l'énergie atomique et aux énergies alternatives (CEA) as an additional PW beamline to the Laser MegaJoule (LMJ) facility. PETAL energy is limited to 1 kJ at the beginning due to the damage threshold of the final optics. In this paper, we present the commissioning of the PW PETAL beamline. The first kJ shots in the amplifier section with a large spectrum front end, the alignment of the synthetic aperture compression stage and the initial demonstration of the 1.15 PW @ 850 J operations in the compression stage are detailed. Issues encountered relating to damage to optics are also addressed.

Published
2017
Full Text
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