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Proceedings Paper

Advances in laser driven soft x-ray lasers at LOA
Author(s): S. Sebban; F. Tissandier; J. Gautier; M. Kozlova; J. P. Goddet; O. Guilbaud; P. Zeitoun; M. Ribière; S. Jacquemot; G. Lambert; G. Maynard; B. Robillard; A. Klisnick; T. Mocek; J. Nejdl
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Paper Abstract

We report spatial and spectral characterization an optical-field-ionized high-order harmonic-seeded soft-x-ray laser. We show that it can be controlled between a regular Gaussian shape and a Bessel profile exhibiting several rings via the IR laser pump intensity. The temporal coherence and spectral linewidth of both the seeded and unseeded soft-x-ray lasers were experimentally measured using a varying path difference interferometer. It showed that the high-order harmonic is subject to a strong spectral narrowing during its propagation in the plasma amplifier without rebroadening at saturation. Also, we present a new method to generate ultra-short x-ray laser pulses by using the laser-driven betatron source to photo-pump inner-shell transitions.

Paper Details

Date Published: 4 October 2011
PDF: 10 pages
Proc. SPIE 8140, X-ray Lasers and Coherent X-ray Sources: Development and Applications IX, 814005 (4 October 2011); doi: 10.1117/12.892394
Show Author Affiliations
S. Sebban, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
F. Tissandier, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
J. Gautier, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
M. Kozlova, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
J. P. Goddet, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
O. Guilbaud, Lab. de Physique des Gaz et des Plasmas, CNRS, Univ. Paris-Sud 11 (France)
P. Zeitoun, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
M. Ribière, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
S. Jacquemot, Ecole Polytechnique (France)
G. Lambert, Lab. d'Optique Appliquée, CNRS, Ecole Polytechnique ParisTech (France)
G. Maynard, Lab. de Physique des Gaz et des Plasmas, CNRS, Univ. Paris-Sud 11 (France)
B. Robillard, Lab. de Physique des Gaz et des Plasmas, CNRS, Univ. Paris-Sud 11 (France)
A. Klisnick, ISMO, CNRS, Univ. Paris-Sud 11 (France)
T. Mocek, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
J. Nejdl, Institute of Physics of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 8140:
X-ray Lasers and Coherent X-ray Sources: Development and Applications IX
James Dunn; Annie Klisnick, Editor(s)

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