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Identifier

000404206

Title

Design techniques for the generation of novel optical wavepackets

Alternative Title

Σχεδιασμός τεχνικών για την δημιουργία καινοτόμων οπτικών κυματοπακέτων

Author

Μανσούρ, Δημήτριος

Thesis advisor

Παπάζογλου, Δημήτριος
Ταρουδάκης, Μιχαήλ
Καφεσάκη, Μαρία

Abstract

Recently a plethora of optical beams with non-trivial amplitude and phase distributions have been introduced. In a collection containing only the, classical now, Bessel beams an increasing number of new members like the Airy and the radially symmetrical Airy, Mathieu and Weber beams have been added. These novel optical beams propagate in curved trajectories and resist to diffraction or dispersion. Therefore, they are able to self-heal and bypass obstacles, advantages that make them exciting for applications ranging from materials processing to telecommunications. This thesis focuses on design techniques for tailoring these novel optical beams to control their propagation dynamics and their focal volume. In our analysis we have combined analytical estimations and numerical propagation simulations to reach at predictions of the beam propagation properties. Furthermore, through our unified description approach we have merged two autofocusing ring Airy beam types under the same family. Interestingly, at the boundary parameter regime these beams are transformed to the well-known Gaussian and Bessel beams. Our results will have an important impact to laser applications that require a control of the focal region properties. Such applications include among others, laser materials processing, two photon polymerization, laser surgery, optical telecommunications, harmonic generation, and Thz generation.

Language

English

Subject

Laser

Διαμόρφωση πλάτους

Λέϊζερ

Issue date

2016 12-13

Collection

School/Department--School of Medicine--Department of Medicine--Post-graduate theses

Type of Work--Post-graduate theses

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