Measurement of local gain and electron density in an yttrium x-ray laser amplifier

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Description

X-ray lasers have measured average gains significantly less than calculated and a persistently low level of spatial coherence. We have used an X-ray laser both as an injected signal to a short X-ray laser amplifier and as an interferometer beam to measure two dimensional local gain and density profiles of the X-ray laser plasma with near-1- mm resolution. The measured local gain is in agreement with atomic models, but its gain is unexpectedly spatially inhomogeneous. This inhomogeneity explains the low level of spatial coherence observed and helps explain the disparity between observed and simulated gains.

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6 p.

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Cauble, R.; Da Silva, L.B.; Barbee, T.Jr.; Celliers, P.; Decker, C.; London, R.A. et al. May 1, 1996.

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Description

X-ray lasers have measured average gains significantly less than calculated and a persistently low level of spatial coherence. We have used an X-ray laser both as an injected signal to a short X-ray laser amplifier and as an interferometer beam to measure two dimensional local gain and density profiles of the X-ray laser plasma with near-1- mm resolution. The measured local gain is in agreement with atomic models, but its gain is unexpectedly spatially inhomogeneous. This inhomogeneity explains the low level of spatial coherence observed and helps explain the disparity between observed and simulated gains.

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6 p.

Notes

OSTI as DE96012517

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  • 24. European conference on laser interaction with matter, Madrid (Spain), 3-7 Jun 1996

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  • Other: DE96012517
  • Report No.: UCRL-JC--123156
  • Report No.: CONF-9606229--7
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 267479
  • Archival Resource Key: ark:/67531/metadc666213

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  • May 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Feb. 23, 2016, 1:54 p.m.

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Cauble, R.; Da Silva, L.B.; Barbee, T.Jr.; Celliers, P.; Decker, C.; London, R.A. et al. Measurement of local gain and electron density in an yttrium x-ray laser amplifier, article, May 1, 1996; California. (digital.library.unt.edu/ark:/67531/metadc666213/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.