Development and performance simulations of a soft X-ray and XUV split-and-delay unit at beamlines FL23/24 at FLASH2 for time-resolved two-color pump–probe experiments

Autor:	Matthias Dreimann, Frank Wahlert, Sebastian Roling, Rolf Treusch, Elke Plönjes, Helmut Zacharias
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	time-resolved pump–probe xuv soft x-ray free-electron laser two-color experiments Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Crystallography QD901-999
Zdroj:	Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1168-1178 (2024)
Druh dokumentu:	article
ISSN:	1600-5775 16005775
DOI:	10.1107/S160057752400609X
Popis:	The split-and-delay unit (SDU) at FLASH2 will be upgraded to enable the simultaneous operation of two temporally, spatially and spectrally separated probe beams when the free-electron laser undulators are operated in a two-color scheme. By means of suitable thin filters and an optical grating beam path a wide range of combinations of photon energies in the spectral range from 150 eV to 780 eV can be chosen. In this paper, simulations of the spectral transmission and performance parameters of the filter technique are discussed, along with a monochromator with dispersion compensation presently under construction.
Databáze:	Directory of Open Access Journals
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