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Identifier

000399100

Title

Autofocusing accelerating optical beams

Alternative Title

Αυτοεστιαζόμενες επιταχυνόμενες οπτικές δέσμες

Author

Φιλιππάκης, Ιωάννης Σ.

Thesis advisor

Ρακιτζής, Πέτρος

Reviewer

Παπάζογλου, Δημήτριος
Καφεσάκη, Μαρία

Abstract

Autofocusing accelerating beams are novel optical beams that abruptly autofocus as they propagate. This unique property results from their non-trivial amplitude and phase distribution. Interestingly, although they are diffracting, they inherit some of the attributes of the non-diffracting 1D accelerating beams they originate from. Thus they exhibit self-healing and are able to bypass obstacles, advantages that make them exciting for a broad range of applications such as telecommunications and materials processing. This thesis focuses on the numerical and theoretical study of the self-healing action of such beams in the presence of refracting and absorbing obstacles. In more detail, the effect of the obstacle size, the effect of the longitudinal obstacle position as well as the effect of the transverse obstacle position are thoroughly analyzed. Finally, the results are compared with those of classical Gaussian beams.

Language

English

Subject

Gaussian beams

Ring-Airy beams

Issue date

2016-03-18

Collection

School/Department--School of Sciences and Engineering--Department of Physics--Post-graduate theses

Type of Work--Post-graduate theses

Permanent Link

https://elocus.lib.uoc.gr//dlib/e/b/9/metadata-dlib-1454573080-530914-26455.tkl