Exploding-foil technique for achieving a soft x-ray laser

M. D. Rosen, P. L. Hagelstein, Dennis L Matthews, E. M. Campbell, A. U. Hazi, B. L. Whitten, B. MacGowan, R. E. Turner, R. W. Lee, G. Charatis, Gar E. Busch, C. L. Shepard, P. D. Rockett

Research output: Contribution to journalArticlepeer-review

362 Scopus citations


We describe a design for producing a soft x-ray laser via 3p-3s transitions in Ne-like selenium (wavelength of about 200). A 0.53-μ m laser, focused in a 1.2×0.02-cm spot to ∼ 5×1013 W/cm2, heats and burns through a thin foil of Se. Besides ionizing the Se to a Ne-like state, the laser explodes the foil, creating a region of uniform electron density. This allows propagation of the x rays down the 1-cm-long gain direction without debilitating refraction. Gains of 4 to 10 cm-1 are predicted for various transitions.

Original languageEnglish (US)
Pages (from-to)106-109
Number of pages4
JournalPhysical Review Letters
Issue number2
StatePublished - 1985
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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