Spatial coherence diagnostic for x-ray lasers

James E Trebes, K. A. Nugent, S. Mrowka, R. A. London, T. W. Barbee, M. R. Carter, B. J. MacGowan, D. L. Matthews, L. B. Da Silva, G. F. Stone, M. D. Feit

Research output: Contribution to journalConference articlepeer-review


The spatial coherence of a neon-like selenium x-ray laser operating at 206 and 210Å has been measured using a technique based on partially coherent xray diffraction. The time integrated spatial coherence of the selenium x-ray laser was determined to be equivalent to that of a quasi-monochromatic spatially incoherent disk source whose diameter is comparable to the line focus of the visible light laser pumping the x-ray laser. The spatial coherence was improved by narrowing the line focus width.

Original languageEnglish (US)
Pages (from-to)121-130
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - Feb 5 1992
Externally publishedYes
EventUltrashort Wavelength Lasers 1991 - San Diego, United States
Duration: Jul 21 1991 → …

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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