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Reconfigurable and stable frequency selective surfaces on nonuniform and finite arrays
Author(s) -
Silva Neto V. P.,
D'Assunção A. G.
Publication year - 2018
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.31002
Subject(s) - hfss , reconfigurability , radome , selective surface , pin diode , plane wave , scattering , finite element method , polarization (electrochemistry) , materials science , electronic engineering , microstrip antenna , optics , diode , physics , engineering , antenna (radio) , optoelectronics , electrical engineering , telecommunications , chemistry , thermodynamics
A reconfigurable frequency selective surface (FSS) is presented based on a nonuniform and finite array of square loop conducting patches printed on a dielectric substrate. The reconfigurability is performed changing the polarization of PIN diodes in the patch elements of the FSS array, from OFF to ON state and vice versa. Simulation is performed by the wave concept iterative procedure (WCIP) formulation and Ansoft HFSS package. Remarkably, a generalization of the WCIP method is proposed to solve scattering problems on FSS structures composed of nonuniform and finite arrays. Prototypes are fabricated for comparison purpose. Simulations and measurements show that the nonuniform and finite FSS has dual band behavior and stable frequency response for different angles of the incident plane wave. A very good agreement between HFSS simulation, WCIP formulation, and experimental results is verified.