Non-ideal axicon-generated Bessel beam application for intra-volume glass modification | Zendy

Juozas Dudutis | Zendy; Paulius Gečys | Zendy; Gediminas Račiukaitis | Zendy

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Non-ideal axicon-generated Bessel beam application for intra-volume glass modification

Author(s) -

Juozas Dudutis,

Paulius Gečys,

Gediminas Račiukaitis

Publication year - 2016

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.028433

Subject(s) - axicon , bessel beam , optics , materials science , bessel function , beam (structure) , conical surface , lens (geology) , transverse plane , laser , laser beams , physics , composite material , structural engineering , engineering

The extended focal depth of Bessel beams is a very attracting property for glass cutting applications. However, Bessel beam generation with a non-ideal conical lens induces beam pattern distortions. We present our novel results on bulk modifications of soda-lime glass using a non-ideal axicon-generated Bessel beam. Modelling of the Bessel beam pattern and experimental measurements indicated ellipticity of the central core diameter. That resulted in the formation of cracks in a transverse direction inside the bulk of glass. Furthermore, we demonstrate the possibility to control the transverse crack propagation direction, which is crucial in the case of glass cutting applications.

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