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physics.ins-det2020
Resolution of a bent-crystal spectrometer for X-ray free electron laser pulses: diamond vs. silicon
Vladimir Kaganer, Ilia Petrov, Liubov Samoylova
The resolution function of a spectrometer based on a strongly bent single crystal (bending radius of 10 cm or less) is evaluated. It is shown that the resolution is controlled by t…
physics.ins-det2019
X-ray diffraction from strongly bent crystals and spectroscopy of XFEL pulses
Vladimir Kaganer, Ilia Petrov, Liubov Samoylova
The use of strongly bent crystals in spectrometers for pulses of a hard x-ray free-electron laser is explored theoretically. Diffraction is calculated in both dynamical and kinemat…