Aberration-controlled Bessel beam processing of glass | Zendy

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

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Aberration-controlled Bessel beam processing of glass

Author(s) -

Juozas Dudutis,

Rokas Stonys,

Gediminas Račiukaitis,

Paulius Gečys

Publication year - 2018

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.003627

Subject(s) - axicon , optics , bessel beam , tilt (camera) , beam (structure) , bessel function , perpendicular , symmetry (geometry) , materials science , physics , beam expander , laser , laser beams , geometry , mathematics

It is known that Bessel beam generation with a non-ideal axicon induces beam pattern distortions. In this paper, we introduce a simple method for non-ideal axicon-generated Bessel beam reconstruction by tilting the axicon perpendicular to its optical axis. We found an optimum axicon tilt angle where beam distortions can be compensated by inducing additional astigmatic aberrations. At optimal tilt angle, the central spot symmetry and focal depth was increased. By this method we could control crack formation symmetry in the bulk of glass, which is essential for many transparent material processing applications.

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