Specifications

Here is information on the beamline constructive performance.
Beamline efficiency as a function of photon energy including all optical components without geometrical losses:

From P. Meglpignano et al. Rev. Sci. Instr. 66, 2125 (1995)

Gratings:

	resoling power	flux (normalized to 100 mA ring current)
20-62 eV (grating 1)	3600 at 27 eV (slit 100 µm)	2.4x1012 phot sec -1 at 27 eV
60-155 eV (grating 2)	1500 at 74 eV (slit 50 µm)	7x1012 phot sec -1 at 74 eV
125-310 eV (grating 3)	1000 at 244 eV (slit 100 µm)	4.5x1012 phot sec -1 at 110 eV