Parametric Study of 1-D PBG Structures Composed of Subwavelength Dipole Elements

In this letter, an original approach for filter design using one-dimensional photonic band-gap (1-D PBG) structures composed of subwavelength dipole elements is presented. Through an efficient $S$ - to $T$ -parameters conversion technique, a detailed analysis is performed to investigate the variation of the dispersion characteristics of 1-D PBG structures as a function of the cell element configuration. Also, for the first time, the angular sensitivity of the structure has been studied in order to obtain the projected band diagrams for both TE and TM polarizations.