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High order harmonic generation by non-linear reflection of a pedestal-free intense laser pulse on a plasma |
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| Authors: | G Doumy S Dobosz P D’Oliveira P Monot M Perdrix F Quéré F Réau Ph Martin P Audebert JC Gauthier JP Geindre |
| Institution: | (1) DSM/DRECAM/SPAM, CEA-Saclay, 91191 Gif sur Yvette, France;(2) Laboratoire pour l Utilisation des Lasers Intenses, Ecole Polytechnique, 91128 Palaiseau, France;(3) CELIA, Université Bordeaux I, 33405 Talence, France |
| Abstract: | We demonstrate the influence of the prepulses and ASE of ultrashort pulses interacting with a solid target by addressing the direct comparison of the harmonic spectra generated by reflection onto a solid target with and without the introduction of a plasma mirror system. Harmonics up to the 20th of the fundamental of the Ti-Sa laser are clearly visible in a situation free from any plasma expansion. PACS 42.65. Ky; 52.38.-r; 52.38.Ph; 52.50.Jm |
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