Polarization state modifications in the propagation of high azimuthal order annular beams

Year: 2001

Authors: Lapucci A., Ciofini M.

Autors Affiliation: Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: Using a vector Fresnel diffraction propagator we investigate the far-field distributions obtained from guided annular modes with different polarization states. Furthermore we demonstrate that a pure azimuthal polarization transforms into a mainly radial one in the propagation of annular beams with azimuthal mode number higher than 0. This property could enhance the performance of a laser metal-cutting system based on these kind of beams. (C) 2001 Optical Society of America.

Journal/Review: OPTICS EXPRESS

Volume: 9 (12)      Pages from: 603  to: 609

KeyWords: Laser beams; Metal cutting; Optical waveguides; Vectors; Wave equations; Wave propagation, Azimuthal; Beam quality; Fresnel diffraction propagator; Laguerre-Gauss modes, Polarization
DOI: 10.1364/OE.9.000603

Citations: 7
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