Figure 8
Profile of the filtered white beam at the sample position (43 m from the X-ray photon source) inside the BEATS experimental station. The beam was filtered with 5 mm of glassy carbon and 5 mm of silicon, for a resulting peak X-ray energy of 36 keV. The image is a mosaic of 20 flat-field images collected with 13 µm pixel size and no sample in the detector field of view. When all slits are removed from the beam path, the detected beam edges are shaped by the oval geometry of the copper frame holding the second CVD diamond window. A usable beam size of 75 mm horizontally and 15 mm vertically is available for experiments. |