Soft-x-ray amplification in lithiumlike Al xi (154 Å) and Si xii (129 Å)
- 1 January 1989
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 6 (1), 115-125
- https://doi.org/10.1364/josab.6.000115
Abstract
Recent experiments on soft-x-ray amplification in lithiumlike ions in a CO2 laser-produced recombining plasma in a magnetic field are presented. The maximum gain–length (GL) products observed are GL ≃ 3–4 for confined the 154-Å 4f–3d transition in Al xi and GL ≃ 1–2 for the 129-Å 4f–3d transition in Si xii. A one-dimensional hydrodynamic code with a collisional-radiative atomic model was used to model the plasma, and the theoretical of gain agree well with the observations. Descriptions of both hydrodynamic and atomic physics codes predictions are given.Keywords
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