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High-contrast 10 fs OPCPA-based front end for multi-PW laser chains

N. Papadopoulos 1 P. Ramirez 1, 2 K. Genevrier 1, 2 L. Ranc 1 N. Lebas 1 A. Pellegrina 1 C. Le Blanc 1 P. Monot 3, 4 L. Martin 1 P. Zou 1 F. Mathieu 1 P. Audebert 1 Patrick Georges 2 Frédéric Druon 2 
2 Laboratoire Charles Fabry / Lasers
LCF - Laboratoire Charles Fabry
4 PHI - Physique à Haute Intensité
IRAMIS - Institut Rayonnement Matière de Saclay, LIDyl - Laboratoire Interactions, Dynamiques et Lasers (ex SPAM)
Abstract : Applications using multi-PW lasers necessitate high temporal pulse quality with a tremendous contrast ratio (CR). The first crucial prerequisite to achieve multi-PW peak power is the generation of ultrashort pulses with good spectral phase quality. Second, to avoid any deleterious pre-ionization effect on targets, nanosecond contrast better than 10121012 is also targeted. In the framework of the Apollon 10 PW French laser program, we present a high-contrast 10 fs front-end design study to inject highly energetic Ti:sapphire PW lasers. The CR has been measured and analyzed in different time ranges highlighting the different major contributions for each scale.
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Submitted on : Monday, January 8, 2018 - 3:05:52 PM
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N. Papadopoulos, P. Ramirez, K. Genevrier, L. Ranc, N. Lebas, et al.. High-contrast 10 fs OPCPA-based front end for multi-PW laser chains. Optics Letters, Optical Society of America - OSA Publishing, 2017, 42 (18), pp.3530-3533. ⟨10.1364/OL.42.003530⟩. ⟨hal-01676598⟩



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