X-ray source (EPU) | Elliptically polarising undulator, 48 mm period, 11 mm minimal gap, 3.9 m magnetic length |
Energy (wavelength) range | 275 – 1600 eV (50 – 8 Å) using 1st harmonic of the EPU |
Monochromator (cPGM) | Collimated plane grating monochromator, vertical dispersion, internally water cooled plane mirror and side-cooled gratings |
Energy bandwidth | 50-100 x 10-3 ΔE/E (1200 l/mm, 2400 l/mm) |
Focusing optics | Toroidal collimating mirror, cylindrical horizontal focusing |
Toroidal collimating mirror M1 | 1.0o grazing incidence angle, side reflecting. 0.15/0.8 arcsec RMS slope error |
Cylindrical focusing mirror M3 | 1.5o grazing incidence angle. 0.1/0.25 arcsec RMS slope error |
Ellipsoidal refocusing mirror M4 | 1.5o grazing incidence angle. 0.1/0.5 arcsec RMS slope error |
Beam size at sample (56.7 m) | 1 x 5 μm2 (FWHM, vertical x horizontal) |
Divergence at sample | 0.1 x 0.1 mrad2 (FWHM) |
Flux at sample | 1 x 1012 ph/s @500 eV and 10 meV bandwith |
Mirror mounting | Five-axis parallel kinematic mounting (Agåker et al., J. Synchrotron Rad. 27 (2020)) |