Invisible Cavity Resonators
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Journal Title
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Sähkötekniikan korkeakoulu |
Master's thesis
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Authors
Date
2018-09-17
Department
Major/Subject
Radio Science and Engineering
Mcode
ELEC3038
Degree programme
NanoRad - Master’s Programme in Nano and Radio Sciences (TS2013)
Language
en
Pages
89
Series
Abstract
This thesis studies one-dimensional structures based on a volume bounded by two metasurfaces. The main objective is to determine the properties of the metasurfaces such that under illumination by a normally incident plane wave the whole structure does not scatter; while the electromagnetic fields inside the bounded volume are not zero and can be tailored. Such invisible resonators are analysed from different perspectives: standing wave ratio, convergence, bandwidth, impact of dissipation losses, reciprocity, and effect of different objects inside the resonator. This thesis also introduces some concepts related to volumes bounded by multiple metasurfaces and some examples. Some applications for these resonators include cloaking and enhancing of low-power sensors.Description
Supervisor
Tretyakov, SergeiThesis advisor
Asadchy, ViktarKeywords
sensing, cloaking, bounded volume, metasurface, resonance, Fabry-Perot resonator