Tabletop x-ray lasers

D. C. Eder, P. Amendt, L. B. DaSilva, R. A. London, B. J. MacGowan, Dennis L Matthews, B. M. Penetrante, M. D. Rosen, S. C. Wilks, T. D. Donnelly, R. W. Falcone, G. L. Strobel

Research output: Contribution to journalArticlepeer-review

131 Scopus citations


Details of schemes for two tabletop size x-ray lasers that require a high-intensity short-pulse driving laser are discussed. The first is based on rapid recombination following optical-field ionization. Analytical and numerical calculations of the output properties are presented. Propagation in the confocal geometry is discussed and a solution for x-ray lasing in Li-like N at 247 Å is described. Since the calculated gain coefficient depends strongly on the electron temperature, the methods of calculating electron heating following field ionization are discussed. Recent experiments aimed at demonstrating lasing in H-like Li at 135 A are discussed along with modeling results. The second x-ray laser scheme is based on the population inversion obtained during inner-shell photoionization by hard x rays. This approach has significantly higher-energy requirements, but lasing occurs at very short wavelengths (λ≤15 Å). Experiments that are possible with existing lasers are discussed.

Original languageEnglish (US)
Pages (from-to)1744-1752
Number of pages9
JournalPhysics of Plasmas
Issue number5
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physics and Astronomy(all)


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