Unique Determination of Periodic Polyhedral Structures by Scattered Electromagnetic Fields Ii : the Resonance Case


This paper is concerned with the unique determination of a threedimensional polyhedral bi-periodic diffraction grating by the scattered electromagnetic fields measured above the grating. It is shown that the uniqueness by any given incident field fails for seven simple classes of regular polyhedral gratings. Moreover, if a regular bi-periodic polyhedral… (More)


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