Figure 1
Comparison between the 1/e penetration lengths in a series of bulk elements in normal and total reflection conditions. The calculations were performed at an angle φ = 0.8φc and at an energy 100 eV above the relative K absorption edges to simulate the beam penetration in a typical EXAFS energy range. Values are around tens of µm in the former case and a few nm in the latter case, with a drop of roughly four orders of magnitude when working in total reflection. |