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A compact waveguide polarization rotator, able to turn the polarization plane by an arbitrary angle, is proposed. Its operational principle is based on a strong electromagnetic coupling between two conjugated quadruple-slot planar-chiral irises in a square waveguide by the below cutoff modes. The physical interpretation for the observed phenomenon is provided based on the analysis of the eigenoscillations...
A new polarization rotator that is able to turn a polarization plane by arbitrary angle up to 90° is proposed. It is based on the strong electromagnetic interaction between two four-slot irises or double-periodic screen cells by the fringing fields. The physical nature of possible broadbandness of such an “optical activity” phenomenon is demonstrated by example of two eigenoscillations of a four-slot...
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