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Spring 2015
Radiofrequency (RF) coils are a substantial part of Magnetic Resonance Imaging System. Microstrip transmission line (MTL) coils are widely used as they have a low coupling between array elements and negligible radiation loss. Matching and tuning capacitors are usually soldered to MTL coils in...
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A Fully 3D Printed Waveguide and its Application as Microfluidically Controlled Waveguide Switch
DownloadFall 2016
Hollow rectangular waveguides are employed extensively in microwave and millimeter wave devices owing to their relatively high power handling capabilities and low losses, particularly at higher frequencies, compared to transmission lines. However, the fabrication of such metal waveguides suffer...
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Fall 2014
Future antennas consist of low-profile smart multi-functional radiating apertures which support multi-beams of multi-bands with multi-polarizations. They can scan the surrounding environment, choose the band of interest and generate the required beam shape. Such antenna can be utilized in...
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Spring 2021
For the past two decades, planar microwave resonators have been used for sensing and monitoring applications due to their unique characteristics such as non-contact and real-time sensing capability, simple and low-cost fabrication process, which make them a high performance alternative to...
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Sensitivity Enhancement Approaches in Microwave-Microfluidic Sensors and Design of a Compact and Cost-effective RF Sensor Readout System
DownloadSpring 2020
Microwave resonators have proved their capability as sensing devices in a wide range of applications such as lab on chip, environmental sustainability, and industrial applications, not only for analysis in the solid and liquid phase, but also recently in gaseous environments. Planar microstrip...
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Strategies for Maximizing Signal to Noise in Decoupled Receive Coil Arrays for Magnetic Resonance Imaging
DownloadFall 2013
Designing radio frequency coil arrays for optimal Magnetic Resonance Imaging (MRI) has been a wide area of interest for many years. The optimum coil type for high density arrays and the mitigation of coupling between elements in arrays are significant problems addressed in this thesis. ...