Calculation of soft X-ray laser in an expanding He-like Mg plasma pumped by a short laser pulse

Using the analytical solution of hydrodynamic equations, energy level populations of the plasma dominated by He-like Mg ions are obtained by solving the rate equations numerically for a short pulsed pumping laser. Variations of gain coefficient for the lasing transition 1s3d-1s4f of MgXI ( λ=154 A ̊...

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Bibliographic Details
Published in:Optics communications 1995-08, Vol.119 (1), p.125-131
Main Authors: Ma, Guo-bin, Tan, Wei-han
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
X- and γ-ray lasers
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Summary:Using the analytical solution of hydrodynamic equations, energy level populations of the plasma dominated by He-like Mg ions are obtained by solving the rate equations numerically for a short pulsed pumping laser. Variations of gain coefficient for the lasing transition 1s3d-1s4f of MgXI ( λ=154 A ̊ ) versus time and space are calculated. Also, the influence of pumping laser pulse duration on gain coefficient is discussed.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(95)00325-3