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Title

Perfect metamaterial absorbers in THz and Optical regime

Author

Πετρακάκης, Μανόλης

Thesis advisor

Τσιρώνης, Γεώργιος
Καφεσάκη, Μαρία

Abstract

In this work, we study the electromagnetic response of the Metamaterial Perfect Absorbers. In the first part, we present the underlining theoretical background of Metamaterial Perfect Absorbers. Three different approaches are introduced: the ‘Pedrian’ approach, interference theory and Single resonant Metamaterial Surfaces approach. In the second part, we examine the electromagnetic response of a specific structure that has taken lot of attention due to the remarkable applications for many different devices such as photovoltaics. In particular, we study different geometries of 2-D and 3-D composite media with specific optical constants in order to design a near-unity metamaterial absorber (i.e. a structure which captures all incident radiation)

Language

English

Issue date

2017-07-04

Collection

School/Department--School of Sciences and Engineering--Department of Physics--Graduate theses

Type of Work--Graduate theses

Views

151

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