J. Phys. IV France 11 (2001) Pr2-189-Pr2-192
Recombination X-ray laser in H-like nitrogenS. Hulin1, 2, S. Dobosz1, P. Monot1, P. D'Oliveira1, T. Auguste1, S. Jacquemot2, L. Bonnet2 and E. Lefebvre2
1 Commissariat à l'Énergie Atomique, CEA Saclay, DSM/DRECAM/SPAM, 91191 Gif-sur-Yvette cedex, France
2 Commissariat à l'Énergie Atomique, CEA Bruyères-le-Chatel, DAM/DIF/DPTA/SPPE, BP. 12, 91680 Bruyères-le-Chatel, France
Experiments on a nitrogen plasma created by tunnel ionization are presented. The plasma is created by a linearly polarized, 10 TW, 70 fs duration Ti:Sapphire laser focused in a nitrogen gas jet of 1020cm-3 neutral density. Neutral and electronic density measurements are performed by laser interferometry. Measurements of the X-ray emission in the 2 to 20 nm, realized in the propagation direction of the laser, are presented. Transitions lines of H-like, He-like and Li-like nitrogen are detected including 3d-2p and 2p-1s transitions of H-like nitrogen. Dependence of the X-ray emission with gas pressure is presented.
© EDP Sciences 2001