THz power divider based on self-complementary metasurface

In this work we present the results of numerical simulation of the self-complementary metasurface which is illuminated by circular polarized plane wave providing spatial separation of the co- and cross-polarized THz beams. We show that the metasurface will create the cross-polarized beam focusing in the certain focal point, while keeping the co-polarized beam transmitted in the broadside. It could be obtained by gradually altering the geometry of the unit cell along the metasurface to get different phase jumps for the cross-polar transmission coefficient.