[CCoE Notice] PhD Dissertation Announcement

[Grayson, Audrey A]

PhD Dissertation Announcement

Adanced Electromagnetic Numerical Modeling Techniques for Various Periodic and Quasi-Periodic Systems

Xichen Guo

Date: Nov. 4, 2014

Place: ECE Large Conference Room

Time: 3:00 pm

Committee Chair:       Dr. Ji Chen

Committee Members:
Dr. David R. Jackson    Dr. Donald R. Wilton
Dr. George Zouridakis    Dr. Driss Benhaddou    Dr. Daniel Onofrei

This dissertation is mainly concerned with some advanced electromagnetic modeling techniques applied to practical complex systems, especially for those processing a periodic or quasi-periodic feature. The focus is to reveal the fundamental physics of the electromagnetic wave intereaction with complex structures, and thus to bring in physical insights, and arriving at an improved algorithm.

This dissertation consists of three self-contained parts, each one which discusses one of the modeling techniques with the application on some periodic or quasi-periodic structures. Examples present in this dissertation include (a) an analysis of the conductor surface roughness effects on stripline transmission lines, (b) the calculaion of the current density of a Fabry-Perot cavity antenna made of 2-dimensional patch array, with the focus on the leaky-wave radiation and (c) a semi-analytical study of the radiation and coupling mechanism of massively packed vertical interconnects (vias).

Numerical results from the proposed modeling techniques are validated with comparisons to those from full-wave simulations or measurements. These proposed models are capable of clarify the physics on the electromagnetic problems and can thus be used as design guidances. They are proved to provide robust results with much higher efficiency compared to other existing methods.
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