Figure 1 Typical undulator spectrum from an ESRF U35 undulator. Flux through a 1  mm2 aperture at 25  m from the source. Source properties as indicated in Table 1 (even ID). Calculated using the URGENT code (Walker & Diaviacco, 1992) as implemented in XOP (Sanchez del Rio & Dejus, 1997).

© International Union of Crystallography 2006