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Design of Singly Split Single Ring Resonator for Measurement of Dielectric Constant of Materials using Resonant Method
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 80 credits / 120 HE creditsStudent thesis
Abstract [en]

Scientists and engineers measure dielectric constant because it gives them better understanding of materials and helps them to know how to integrate these materials into their design processes;it also helps them to shorten design life cycle,and aside these two functions,it has numerous uses all of which cannot be enumerated in this section.Owing to its usefulness,various measurement methods of dielectric constant of materials have been developed over the years.Each method has its limitations which affect the accuracy of the measurement;these limitations range from frequency,temperature,and  mearsurement environment to material under test.


In this thesis,four most common methods of measuring dielectric constant were discussed and the most accurate one,the resonant method,was chosen and worked on .The project was executed by making a mathematical analysis of the ring resonator which was later simulated in HFSS to get results which would be comparable to ones obtained in  laboratory measurements.


The ring was fabricated and taken to the laboratory for measurement.Two monopole antennas were connected to the two ports of a VNA with one antenna serving as the transmitter and the other serving as the receiver.


The resonant frequencies obtained were combined with the geometric parameters of the ring resonator and that of the MUT in equations written into MATLAB scripts;this equations were used to extract the dielectric constant of the MUT.

Place, publisher, year, edition, pages
Keyword [en]
Ring Resonator, Split Ring Resonator, Measuring Dielectric Constant, Measuring Dielectric Constant using Resonant Method, Resonant Method
National Category
URN: urn:nbn:se:hig:diva-14747Archive number: ATM0023OAI: diva2:633590
Subject / course
Educational program
Electronics/Telecommunications – master’s programme (two years) (swe or eng)
2013-06-13, 08:00 (English)
Available from: 2013-07-09 Created: 2013-06-25 Last updated: 2013-07-09Bibliographically approved

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Department of Electronics, Mathematics and Natural Sciences

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