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Proceedings Paper

Modeling of dense injection-seeded Ni-like Krypton plasma amplifiers
Author(s): Eduardo Oliva; Adrien Depresseux; Fabien Tissandier; Julien Gautier; Stéphane Sebban; Gilles Maynard
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Paper Abstract

One promising way to reach ultra-short soft X-ray lasers is to guide an intense infrared pulse through a plasma channel generated in a high pressure gas. However, in such a case, strong non-linear effects, as overionizationinduced refraction and self-focusing, hinder the propagation of the laser beam and thus the creation of the lasing ion and the population inversion. Using a particle-in-cell (PIC) code and a ray-tracing model, we demonstrate that a stable self-regulation mechanism between self-focusing and overionization appears, which enables guiding the infrared beam over several milimetres, well beyond the saturation length for amplification of the soft X-ray laser.

Paper Details

Date Published: 22 September 2015
PDF: 8 pages
Proc. SPIE 9589, X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XI, 95890E (22 September 2015); doi: 10.1117/12.2187034
Show Author Affiliations
Eduardo Oliva, Lab. de Physique des Gaz et des Plasmas, Univ. Paris Sud, CNRS (France)
Univ. Politécnica de Madrid (Spain)
Adrien Depresseux, Lab. d'Optique Appliquée, CNRS, Ecole Polytechinque ParisTech (France)
Fabien Tissandier, Lab. d'Optique Appliquée, CNRS, Ecole Polytechinque ParisTech (France)
Julien Gautier, Lab. d'Optique Appliquée, CNRS, Ecole Polytechinque ParisTech (France)
Stéphane Sebban, Lab. d'Optique Appliquée, CNRS, Ecole Polytechinque ParisTech (France)
Gilles Maynard, Lab. de Physique des Gaz et des Plasmas, Univ. Paris Sud, CNRS (France)


Published in SPIE Proceedings Vol. 9589:
X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XI
Annie Klisnick; Carmen S. Menoni, Editor(s)

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