High-Order Vector Bessel-Gauss Beams for Laser Micromachining of Transparent Materials

Justas Baltrukonis, Orestas Ulčinas, Sergej Orlov, and Vytautas Jukna
Phys. Rev. Applied 16, 034001 – Published 1 September 2021

Abstract

Here, we present thorough research into high-order vector Bessel-Gauss beams from a theoretical perspective, with experimental realization and application to transparent-material laser micromachining. Efficient, stable, high-quality, and power-vector Bessel-Gauss beam generation using two geometric-phase-based optical elements, a high-order S-wave plate and an axicon in combination with simple optical elements, such as lenses, wave plates, and polarizers, is demonstrated. Ultrashort pulse-vector Bessel-Gauss beams are used to induce modifications in the glass, creating three-dimensional tubular structures of type I and type II modification in D263T glass. Furthermore, samples containing tubular modifications are tested for etch selectivity in the femtosecond-laser-induced chemical-etching method with KOH solution by etching throughout channels.

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  • Received 28 December 2020
  • Revised 15 July 2021
  • Accepted 9 August 2021

DOI:https://doi.org/10.1103/PhysRevApplied.16.034001

© 2021 American Physical Society

Physics Subject Headings (PhySH)

Accelerators & BeamsNonlinear DynamicsAtomic, Molecular & Optical

Authors & Affiliations

Justas Baltrukonis1,2,*, Orestas Ulčinas1,2, Sergej Orlov1, and Vytautas Jukna1,3

  • 1Coherent Optics Laboratory, Center for Physical Sciences and Technology, Sauletekio Av. 3, Vilnius 10257, Lithuania
  • 2Workshop of Photonics, Altechna R&D, Mokslininku St. 6A, Vilnius 08412, Lithuania
  • 3Laser Research Center, Vilnius University, Sauletekio Av. 10, Vilnius 10223, Lithuania

  • *justas.baltrukonis@ftmc.lt

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Vol. 16, Iss. 3 — September 2021

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