Analysis of higher order vector Bessel-Gauss beam applicability to transparent material processing

Vytautas Jukna; Justas Baltrukonis; Pavel Gotovski; Sergej Orlov

doi:10.1117/12.2576766

5 March 2021 Analysis of higher order vector Bessel-Gauss beam applicability to transparent material processing

Vytautas Jukna, Justas Baltrukonis, Pavel Gotovski, Sergej Orlov

Proceedings Volume 11674, Laser-based Micro- and Nanoprocessing XV; 116740L (2021) https://doi.org/10.1117/12.2576766
Event: SPIE LASE, 2021, Online Only

Abstract

A well-known and already having many material processing applications zero-order Bessel beam makes a great base for improvements to have even broader applicability. In our work, we analyze vector Bessel beams (VBB), which can be generated with high efficiency and quality via the use of Geometric Phase Optical Elements. The beam transverse polarization distribution enables to change intensity distribution easily, i.e. a polarizer in front of the beam will generate invariant over the propagation multi-peak ring- the shaped structure which could be very beneficial to modify material at multiple sights with a single laser shot. We analyze higher-order VBB generated modifications in thin glass and analyze the applicability for etching of large diameter holes.

Conference Presentation

Citation Download Citation

Vytautas Jukna, Justas Baltrukonis, Pavel Gotovski, and Sergej Orlov "Analysis of higher order vector Bessel-Gauss beam applicability to transparent material processing", Proc. SPIE 11674, Laser-based Micro- and Nanoprocessing XV, 116740L (5 March 2021); https://doi.org/10.1117/12.2576766

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