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VOLUME 58 (1993) | ISSUE 10 | PAGE 794
An x-ray laser operating on 2S-2P transitions of a Ne-like ion
A new x-ray laser using Ne-like ions and exploiting certain features of the fine structure of these ions is discussed theoretically. The pumping is a resonant photoexcitation, which sends a 2S electron from the ground state into ÿò, áò, etc., excited sublevels. As a result, a 25 hole forms in the L shell. The filling of this hole by IP electrons may result in lasing. Calculations of the gain coefficients on 2S-2P transitions in Ne-like Ge as a function of the pump intensity and the density of the active medium are reported for the particular example of the Mg-Ge resonant pair.