Simultaneous measurement of local gain and electron density in X-ray lasers

R. Cauble, L. B. Da Silva, T. W. Barbee, P. Celliers, C. Decker, R. A. London, J. C. Moreno, J. E. Trebes, A. S. Wan, F. Weber

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17 Scopus citations

Abstract

X-ray lasers (XRLs) have experimental average gains that are significantly less than calculated values and a persistently low level of spatial coherence. An XRL has been used both as an injected signal to a short XRL amplifier and as an interferometer beam to measure two-dimensional local gain and density profiles of the XRL plasma with a resolution near 1 micrometer. The measured local gain is in agreement with atomic models but is unexpectedly spatially inhomogeneous. This inhomogeneity is responsible for the low level of spatial coherence observed and helps explain the disparity between observed and simulated gains.

Original languageEnglish (US)
Pages (from-to)1093-1096
Number of pages4
JournalScience
Volume273
Issue number5278
StatePublished - Aug 23 1996
Externally publishedYes

ASJC Scopus subject areas

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    Cauble, R., Da Silva, L. B., Barbee, T. W., Celliers, P., Decker, C., London, R. A., Moreno, J. C., Trebes, J. E., Wan, A. S., & Weber, F. (1996). Simultaneous measurement of local gain and electron density in X-ray lasers. Science, 273(5278), 1093-1096.