* Minimal focal length achievable with Be, R = 50µm at 17 keV => effective aperture : 295µm => best lateral resolution: 42nm (diffraction limit) * For lenses with…
* Minimal focal length achievable with Be, R = 50µm at 17 keV => effective aperture : 295µm => best lateral resolution: 42nm (diffraction limit) * For lenses with…