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Short X-ray pulses in a Laue-case crystal
1Hamburger Sychrotronstrahlungslabor, Hasylab at Deutsches Elektronensynchrotron DESY, Hamburg, Germany. walter.graeff@desy.de
Journal of Synchrotron Radiation
|March 2, 2002
Summary
Short X-ray pulses from self-amplified stimulated-emission free-electron lasers require new analysis. This study examines crystal reflection responses, specifically for Laue-case monochromators, needing a two-dimensional approach.
Area of Science:
- Condensed matter physics
- X-ray optics
Background:
- Self-amplified stimulated-emission free-electron lasers (SASE FELs) produce intense, short X-ray pulses.
- Understanding crystal-matter interactions with these pulses is crucial for advanced X-ray applications.
Purpose of the Study:
- To investigate the response of a crystal reflection to short X-ray pulses from a SASE FEL.
- To analyze the specific case of a Laue-monochromator crystal.
Main Methods:
- Utilized formulae from dynamical X-ray diffraction theory.
- Investigated the response of a Laue-case monochromator to a delta-pulse.
Main Results:
- A two-dimensional analysis is necessary for Laue-case monochromators.
- The response differs significantly from Bragg-case monochromators.
Conclusions:
- SASE FEL pulse interactions with crystals, particularly in the Laue geometry, necessitate advanced theoretical frameworks.
- This research provides foundational insights for utilizing SASE FELs in crystal-based X-ray optics.