Multipass amplification of soft x rays in a laser cavity

N. M. Ceglio, D. G. Stearns, D. P. Gaines, A. M. Hawryluk, J. E. Trebes

Research output: Contribution to journalArticlepeer-review

64 Scopus citations


We report the first demonstration to our knowledge of multipass amplification of soft x rays. A gain medium of neonlike selenium ions was placed within a resonant cavity composed of a multilayer mirror and a beam splitter designed for normal-incidence use at the 20.63- and 20.96-nm laser lines of the neonlike selenium. The laser-cavity output was time resolved and exhibited three distinct temporal components identifiable as the single-, double-, and triple-pass amplified emission. In these experiments, multipass amplification was limited by the finite duration of the gain medium.

Original languageEnglish (US)
Pages (from-to)108-110
Number of pages3
JournalOptics Letters
Issue number2
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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