Figure 8
Focused beam profiles of circular FZPs measured with the differential-phase-contrast knife-edge scan test. Open circles represent the scan data, black lines represent the moving averages of three scan points. (a) Apodization FZP. (b) Conventional FZP. The scan step was 6.25 nm, the dwell time was 0.1 s and the X-ray energy was 8 keV. |