Abstract
Study of the refraction and rightness effects in 2D Archimedean lattice photonic crystals is presented. A special emphasis is placed on possibilities of negative refraction and left-handedness in these structures. Besides the familiar Archimedean lattices like square, triangular, honeycomb and Kagome ones, we consider also, the less known 32,4,3,4 (ladybug) and 3,4,6,4 (honeycombring) structures. This involves the calculations of band structures, band-gap maps, equifrequency contours, FDTD simulations of electromagnetic propagation through the structures, as well as an experimental verification of negative refraction at microwaves.
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