Development of EBG-based phased-array mm-wave antennas

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Researchers in the fields of optical sciences and microwaves have dubbed the terms Photonic Bandgap (PBG) and Electromagnetic Bandgap (EBG) to signify structures that inhibit the propagation of electromagnetic waves at certain frequency bands. Such structures have been the subject of intense research in the past few years. The EBG technology has thus far been widely applied in optical applications such as: guiding, dispersion engineering, self-collimation, wavelength multiplexing, negative refraction, and etc. At the core of this proposal lies the development of a theoretical basis and novel practical schemes for the utilization of EBG concepts in the construction of EBG-based phased-array antennas which are antenna systems that consist in multiple antenna elements. The upward frequency shift of emerging applications and the general trend of integration of antennas into RF circuitry strongly justify the necessity of the proposed investigation.