Table 1. Parameters of the VLS grating monochromator for FLASH2, single-grating design.

Source-to-M1 distance	68.9 m
M1-to-G1 distance	8.0 m
G1-to-slit distance	6.0 m
Grating subtended angle	172°
Grating G1a
Interval	1.2–5 nm (1000–250 eV)
Central groove density	600 grooves mm−1
Grating G1b
Interval	5–25 nm (250–50 eV)
Central groove density	150 grooves mm−1