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Journals and Conferences
Advances in micro-fabrication techniques combined with accurate simulation tools has provided the means for the realisation of complex terahertz circuitry. Silicon micro-machining provides the way forward to fabricate accurate rugged structures. Multi-level deep reactive ion etching can be used to replace traditional machining methods achieving smaller… (More)
In this paper genetic programming is applied to the synthesis of planar periodic EBG. We constrained our design to the unit cell geometry and used a full-wave MoM to evaluate all individuals. The evolutionary strategy is then employed in order to find a geometry with a larger bandwidth.
In the last decade the study of frequency selective surfaces (FSS), i.e. periodic metal patches printed on a dielectric substrate, has regained interest both in the microwave and millimeter-wave region , with the introduction of electromagnetic band gap (EBG) materials  . This entirely new class of structures, encompassing FSS as one of its… (More)
Planar EBGs can be described as planar periodic metallic arrays with a resonant behaviour and therefore in order to fully analyze them it is not advisable to consider the layers infinitely thin, especially at higher frequencies. This paper focuses on a new method to analyze planar EBG made up of thick screens. We integrate our previous work with a waveguide… (More)
In this paper evolutionary computation is applied to the synthesis of planar periodic EBG. We constrained our evolutionary design to the unit cell geometry and used a full-wave MoM to evaluate all individuals. Results show that the resonant frequency is able to approach the desired value, improving the bandwidth.
A MoM analysis procedure for Artificial Magnetic Conductors, using equivalent magnetic currents is presented, and its advantages discussed for both patch-type and aperture-type AMC.A quite accurate equivalent circuit has been extracted from our MoM results, using a curve-fitting procedure.
This paper presents the analysis of coupled microstrip lines over a perfect magnetic conductor (PMC) ground plane, in order to find an efficient configuration for feeding a microstrip patch antenna over an AMC groundplane.
This paper presents the analysis of a microstrip line over a perfect magnetic conductor (PMC) ground plane. The electrostatic characteristics are at first investigated, then a full-wave analysis is performed.