Optimization of soft x-ray amplifier by tailoring plasma hydrodynamics

E. Oliva 1, 2 Philippe Zeitoun 2 Stéphane Sebban 2 M. Fajardo 3 P. Velarde 1 K. Cassou 4 D. Ros 5
1 Instituto de Fusión Nuclear
2 LOA - Laboratoire d'optique appliquée
3 GoLP/Centro de Física dos Plasmas
4 LPGP - Laboratoire de Physique des Gaz et des Plasmas
5 LIXAM - Laboratoire d'interaction du rayonnement X avec la matière
Abstract : Plasma-based seeded soft x-ray lasers have the potential to generate a high-energy, highly coherent, short pulse beam. Owing to their high density, plasmas created by interaction of an intense laser with a solid target should store the highest amount of energy among all plasma amplifiers. However, to date output energy from seeded solid amplifiers remains as low as 60 nJ. We demonstrated that careful tailoring of the plasma shape is crucial for extracting energy stored in the plasma. With 1-mm-wide plasma, energy as high as 20 μJ in sub-ps pulses is achievable. With such tailored plasma, gain and pumping efficiency have been increased by nearly a factor of 10 as compared to the narrower plasma amplifiers studied here.
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Submitted on : Friday, August 6, 2010 - 3:45:11 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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X | X-LOA | ENSTA_LOA | ENSTA | PARISTECH | X-DEP-PHYS

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E. Oliva, Philippe Zeitoun, Stéphane Sebban, M. Fajardo, P. Velarde, et al.. Optimization of soft x-ray amplifier by tailoring plasma hydrodynamics. Optics Letters, Optical Society of America, 2009, 34 (17), pp.2640-2642. ⟨10.1364/OL.34.002640⟩. ⟨hal-00508884⟩

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