Abstract-Analytical theory and numerical approaches to the simulation and optimal design of multilayer mirrors and optical Bragg waveguides are developed. Optimal refractive index profiles in planar and cylindrical geometry are found. Reduction of the full set of Maxwell's equations to a scalar boundary value problem in the lowcontrast approximation is discussed. An efficient finite-difference scheme is used to simulate realistic Bragg fibers.
Contents 1. IntroduCtIon (174) 2. When an objeCt In X-ray optICs Can be ConsIdered as phase sCreen? (175) 3. test objeCts In X-ray mICrosCopy (176) 4. Wave fIeld CalCulatIon In the fIlm WIth a sIngle pore (178) 5. phase varIatIons near nanopore In a traCk membrane (179) 6. phase veloCIty of Waves propagatIng along the aXIs of CylIndrICal nanoholes (183) 7. Track membranes as X-ray diffuser − fIlter for speCkle suppressIon (183) 8. ConversIon of phase Contrast to amplItude (184) 9. InorganIC traCk membranes and theIr replICas as phase test objeCts (185) 10. ConClusIon (187) referenCes (188)
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