Development of dielectric properties measurement system using dual ended waveguide

Francis, Moses (2024) Development of dielectric properties measurement system using dual ended waveguide. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In this thesis, The type of project done is based on waveguide. The frequency range of the waveguide is by using X-band frequency which is from (8-12GHz). The waveguide is fabricated by using an aluminum block. There is an equipment tool which is called a dielectric probe, which is used to measure dielectric substances. It comprises a sensor that contacts the substance and generates an electric field to assess its reaction. The material or properties that are measured are by using 2 types, which are FR-4 and Rogers 5800. The waveguide that has been proposed is used to measure the dielectric properties. Many tools work as the dielectric probe, even our university they got this tool, but the catch is that the dielectric probe, is easily broken and also it is costly. To prevent breakage, it needs to be handled and stored carefully. Dielectric probe prices can also change based on the characteristics and capacities of a particular model. Pricier models typically have more precision and capability. In this case, This is the main problem that we face and we cannot be spending too much money on a piece of equipment that can be broken easily. In this paper, with the help of my supervisor, a proposed low-cost system to measure dielectric probes has been mentioned. There will be two types of measurements: in simulation using CST software and measurement in real-time. The results are taken from simulation and measurement and compared between them. This comparison is made by using simulation to prove whether the equipment that is fabricated measures the dielectric properties correctly or not.

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