Figure 1
The principal reflectance (solid curve) and the extinction ratio (dashed curve) of a multilayer reflection polarizer calculated at a photon energy of 368 eV. The multilayer is assumed to be composed of 199.5 periods of a 14.5 Å thick Sc layer and a 9.5 Å thick Cr layer alternated as a pair. The multilayer is expected to be a polarizer at an angle of incidence between 42 and 47° with an extinction ratio better than 0.01. |