Figure 4
Spot diagram on the observation plane of the X-ray beamline BL-3 at Ritsumeikan University consisting of a pre-focusing toroidal mirror (platinum-coated) and a couple of the plane Si(111) crystals. The principal energy of the X-rays is (a) 3000 eV, (b) 5000 eV and (c) 7000 eV. |