Post-graduate theses

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Identifier	000464547
Title	Design,fabrication and evaluation of metamaterials as sensοrs in agriculture
Alternative Title	Σχεδιασμός και χρήση μεταϋλικών ως αισθητήρες στον αγροτικό τομέα
Author	Ταμιωλάκης, Ευάγγελος
Thesis advisor	Κενανάκης, Γεώργιος
Reviewer	Καφεσάκη, Μαρία Ρεμεδιάκης, Ιωάννης
Abstract	In this work, we designed and constructed metamaterial structures/antennas and studied their efficiency as sensors. We tested them in different directions to measure their S21 parameters (transmission). Their sensing capabilities were evaluated rigorously against different aqueous solutions enriched with typical agricultural fertilizers. In the first part of this thesis, we evaluated typical metamaterials structures such as the single-ring resonators on printed circuit boards (PCB), as well as engraved/contemporary structures (CSRRs) on copper plates as efficient sensors against agricultural crop residues and fertilizers. In the second part of this work, we fabricated metamaterial-based antennas and measured the S11 (reflection) coefficients against typical agricultural pollutants. The objective of this study is to develop a real-time sensor for agricultural purposes that is easy to manufacture and user-friendly. Our experimental data clearly demonstrate the potential of metasurfaces as effective sensors for detecting water pollution.
Language	English
Issue date	2024-07-24
Collection	School/Department--School of Sciences and Engineering--Department of Materials Science and Technology--Post-graduate theses
	Type of Work--Post-graduate theses
Permanent Link	https://elocus.lib.uoc.gr//dlib/d/c/3/metadata-dlib-1716458453-53269-8948.tkl
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