Figure 8
Toroidal VLS grating for soft X-ray self-seeding at LCLS (Stanford). Median line density 1123 lines mm−1, blaze angle 1.4°, surface roughness 0.4 nm r.m.s. (with parameters of the toroidal substrate: meridional radius R = 195 m, sagittal radius r = 0.18 m. |