28 December 2001 Numerical simulations of dynamically diffracted ultrashort x-ray free-electron laser pulses
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Abstract
The diffraction of femtosecond x-ray pulses by crystals will play a central role in the development of the optics of x-ray free-electron lasers (XFELs). Making use of Fourier analysis, we calculate the temporal dynamical diffraction of an incident delta function by single- and double- symmetric Bragg crystal monochromators. The time-dependent intensity of ultrashort XFEL pulses diffracted by perfect crystals is discussed. Our simulations show modifications in the time structure of incident 8 keV, 280-fs-duration, microbunched XFEL pulses after diffraction by the crystal optics. Finally, we investigate the statistical fluctuations of the time-integrated intensity from shot to shot.
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Pedro Zambianchi, Sarvjit D. Shastri, Dennis M. Mills, "Numerical simulations of dynamically diffracted ultrashort x-ray free-electron laser pulses", Proc. SPIE 4500, Optics for Fourth-Generation X-Ray Sources, (28 December 2001); doi: 10.1117/12.452966; https://doi.org/10.1117/12.452966
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