Figure 3
(a, c) Diffraction patterns from NRA apertures with six slits (a) and double pinholes with a separation of 2 µm (c) measured at 400 eV photon energy and monochromator exit slits size Des = 230 µm. (b, d) Fourier transforms of the diffraction patterns in (a, c). All figures are displayed on a logarithmic scale. White rectangles in (a) and (c) indicate regions which were used for the analysis. An optical microscope image of the NRA sample is shown in the inset of (b). |