2021 Virtual Undergraduate Research Symposium

2021 Virtual Undergraduate Research Symposium

Improving Microwave Device Efficiency Through Quantitative Visualization of Electromagnetic Fields

Improving Microwave Device Efficiency Through Quantitative Visualization of Electromagnetic Fields

PROJECT NUMBER: 43 | AUTHOR: Kevin Juneau​, Electrical Engineering

MENTOR: Peter Aaen, Electrical Engineering

ABSTRACT

It is notoriously difficult to perform diagnostics on microwave microchip devices because probes are usually invasive and can detrimentally degrade the performance of the device. In order to overcome this, an electro-optic based non-invasive probe that measures the electric field above the device can be employed. The probe allows the direct measurement of the microwave electric fields.
In this project, the probe used measures the electric field over the length of an anisotropic crystal. Because the crystal has a finite length, the measurement is actually the integral of the electric field over the length of the crystal. This project aims to improve the resolution of the measured fields by developing a mathematical model where a function describing the decay of the electric field is obtained using two independent measurements.
Using this method, the electric field measurement for each pixel over the plane is refined, giving a more accurate image of the field. By increasing the accuracy of these measurements, we hope to provide researchers with more accuracy in their electro-optic field measurements.

PRESENTATION

AUTHOR BIOGRAPHY

Kevin Juneau is a junior, majoring in Electrical Engineering, and minoring in Computational and Applied Mathematics. He is working on research in the Electrical Engineering department, and has developed a method for refining electric field measurements. Going forward, he hopes to further improve his method by introducing ideas based on near-field physics of electric devices.

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