Abstract
We report simultaneously large and oppositeGoos–Hänchen shifts for TE and TM beams on a double metal-claddingslab. Theoretical examination shows that both positive and negativelateral shifts are in two orders of the wavelength. It is also foundthat the magnitude of the lateral beam shift strongly depends on thethickness of the upper metal layer. The optimal thickness of the uppermetal layer for zero reflection is found to be the critical thicknessabove which a negative beam shift occurs. Numerical calculations are ingood agreement with the theoretical results.
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