Modeling of dense injection-seeded Ni-like Krypton plasma amplifiers

Eduardo Oliva; Adrien Depresseux; Fabien Tissandier; Julien Gautier; Stéphane Sebban; Gilles Maynard

doi:10.1117/12.2187034

22 September 2015 Modeling of dense injection-seeded Ni-like Krypton plasma amplifiers

Eduardo Oliva, Adrien Depresseux, Fabien Tissandier, Julien Gautier, Stéphane Sebban, Gilles Maynard

Proceedings Volume 9589, X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XI; 95890E (2015) https://doi.org/10.1117/12.2187034
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

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.

Citation Download Citation

Eduardo Oliva, Adrien Depresseux, Fabien Tissandier, Julien Gautier, Stéphane Sebban, and Gilles Maynard "Modeling of dense injection-seeded Ni-like Krypton plasma amplifiers", Proc. SPIE 9589, X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XI, 95890E (22 September 2015); https://doi.org/10.1117/12.2187034

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