Figure 5
Vertically adjusted V21 monochromator as a beam expander with a single prism and multiprism inside the V-opening. The beam diffracted by the first diffractor is deflected upwards by the prism and multiprism (upper sketch). The lower sketch shows a flipped multiprism (rotated in its base by 180°) with the X-ray beam deflected again upwards by the prism, but downwards by the flipped multiprism. See text for further details.  [article HTML]