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A system is proposed whereby Zn atoms that are photoionized by soft x rays from a laser-produced plasma undergo selective super-Coster-Kronig decay leading to inversion and lasing on several XUV Zn III transitions. Calculations indicate that lasing will occur when a moderate-sized (~10-J) 1.06-microm pump laser is used.
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Mendelsohn et al. (1985) studied this question.
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