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Applied Physics B

, Volume 80, Issue 6, pp 715–719 | Cite as

Comparison of focusing optics for femtosecond X-ray diffraction

  • M. Bargheer
  • N. Zhavoronkov
  • R. Bruch
  • H. Legall
  • H. Stiel
  • M. Woerner
  • T. Elsaesser
Article

Abstract

We characterize and compare four different types of focusing optics for hard X-rays, suitable for femtosecond X-ray diffraction experiments, usinga tabletop femtosecond laser-based plasma source. We demonstrate a 23 μmfocus with a toroidally bent Ge single crystal. A maximum flux of 7× 108 photons/(s mm2) is generated in a 32 μm focus using a multi-layer mirror. An elliptical glass capillary yields the highest number of photons per Bragg angle [2× 105 photons/(s mrad)]. The largest number of photons[3× 106 photons/s] per second is obtained in the 105 μm focus of a poly-capillary optical lens system. All numbers are given for characteristic Cu Kα photons.

PACS

07.85.Fv 61.10.Nz 82.53-k 

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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • M. Bargheer
    • 1
  • N. Zhavoronkov
    • 1
  • R. Bruch
    • 2
  • H. Legall
    • 1
  • H. Stiel
    • 1
  • M. Woerner
    • 1
  • T. Elsaesser
    • 1
  1. 1.Max-Born-Institut für Nichtlineare Optik und KurzzeitspektroskopieBerlinGermany
  2. 2.University of Nevada RenoRenoUSA

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