Figure 8
(a) The geometry of beams diffracted from the double-crystal inclined monochromator. The diffracting crystallographic planes are horizontal (x,y plane). The impinging beam is a parallel polychromatic pencil beam. The plane of diffraction is vertical (x,z plane). The surfaces of the crystals are shown in blue. Only two limiting beams of the diffracted fan are shown. (b) A detail of (a). |