Diffraction of X-ray free-electron laser femtosecond pulses on single crystals in the Bragg and Laue geometry.
A solution of the problem of dynamical diffraction for X-ray pulses with arbitrary dimensions in the Bragg and Laue cases in a crystal of any thickness and asymmetry coefficient of reflection is presented. Analysis of pulse form and duration transformation in the process of diffraction and propagation in a vacuum is conducted. It is shown that only the symmetrical Bragg case can be used to avoid smearing of reflected pulses.
Bushuev
V A
VA
M. V. Lomonosov Moscow State University, 119992 GSP-2 Moscow, Russia. vabushuev@yandex.ru