Gain dynamics in quickly ionized plasma for seeded operated soft x-ray lasers

Abstract : Harmonic seeded operation of a neon-like titanium plasma-based soft x-ray laser is described. The plasma amplifier is pumped with a variation of the grazing incidence technique involving a fast and localized ionization step. We discuss its effect on gain dynamics by measuring the amplifying factor as a function of the delay between pump pulse and harmonic seed. Two different regimes are pointed out, following the pumping scheme used. For one of them, a delay in the gain generation compared with the pumping laser pulse is observed. (C) 2015 Optical Society of America
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Submitted on : Wednesday, November 23, 2016 - 9:30:45 AM
Last modification on : Wednesday, July 3, 2019 - 10:48:03 AM

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O. Guilbaud, G. V. Cojocaru, L. Li, O. Delmas, R. G. Ungureanu, et al.. Gain dynamics in quickly ionized plasma for seeded operated soft x-ray lasers. Optics Letters, Optical Society of America, 2015, 40 (20), ⟨10.1364/OL.40.004775⟩. ⟨hal-01401238⟩

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