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Spatially resolved X-ray spectroscopy using a flat HOPG crystal

  • X. H. Yuan
  • , D. C. Carroll
  • , M. Coury
  • , R. J. Gray
  • , C. M. Brenner
  • , X. X. Lin
  • , Y. T. Li
  • , M. N. Quinn
  • , O. Tresca
  • , B. Zielbauer
  • , D. Neely
  • , P. McKenna

Research output: Contribution to journalArticlepeer-review

Abstract

A novel design of a 1-D imaging X-ray spectrometer is implemented, using a high efficiency HOPG (highly oriented pyrolitic graphite) Bragg crystal and a double-entrance-slit. The double slit provides self-calibration of the imaging magnification. The spatial and spectral resolutions and dispersion are characterised both analytically and by ray tracing simulations. A key feature of this approach is that it enables the X-ray spectrum to be measured over different regions of the plasma source. The application of this instrument is demonstrated in high intensity laser-foil interaction experiments.

Original languageEnglish
Pages (from-to)145-149
Number of pages5
JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume653
Issue number1
DOIs
Publication statusPublished - 11 Oct 2011

Keywords

  • laser plasma interaction
  • X-ray spectroscopy
  • plasmas
  • laser
  • ions

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