An optical needle with elongated transversal profile created using Airy beams for laser processing of glasses

P Šlevas, K Mundrys, O Ulčinas, S Orlov - Optics & Laser Technology, 2024 - Elsevier
In recent decades, significant progress has been made in the field of laser beam shaping,
driven by the growing demands in both scientific research and industrial applications …

Laser induced modifications in transparent materials using azimuthally modulated axicon beams

P Slevas, S Orlov, E Nacius, O Ulcinas… - Laser Applications …, 2020 - spiedigitallibrary.org
Nondiffracting beams are known for their long line of focus, which has various applications
in laser materials processing. Zeroth order Bessel beam is usually generated with an axicon …

Generation of high-quality tunable Airy beams with an adaptive deformable mirror

J Ma, Y Li, Q Yu, Z Yang, Y Hu, J Chu - Optics Letters, 2018 - opg.optica.org
Self-accelerating Airy beams have emerged to hold great promise in wide applications due
to their non-diffraction and self-healing characteristics. The generation of Airy beams with …

Polarization sensitive optical elements by ultrafast laser nanostructuring of glass

M Gecevičius - 2015 - eprints.soton.ac.uk
In this theses I will concentrate on femtosecond laser induced modification in silica glass.
One type of modification in fused silica is subwavelength nanogratings. This modification …

Shaping symmetric Airy beam through binary amplitude modulation for ultralong needle focus

ZX Fang, YX Ren, L Gong, P Vaveliuk… - Journal of Applied …, 2015 - pubs.aip.org
Needle-like electromagnetic field has various advantages for the applications in high-
resolution imaging, Raman spectroscopy, as well as long-distance optical transportation …

Azimuthally modulated axicon vortical beams for laser microprocessing

P Šlevas, S Orlov, E Nacius, O Ulčinas - Optics Communications, 2022 - Elsevier
Non-diffracting beams have contributed greatly to recent developments in high power
applications such as laser micromachining. Well known for their elongated focal region (also …

Generalized non-diffracting beams for ultrafast materials processing

D Flamm, K Chen, M Jenne, M Schäfer… - Frontiers in Ultrafast …, 2020 - spiedigitallibrary.org
We generalize the well-known method of generating nondiffracting beams based on axicons
in the near-field using phase modulations with azimuthal dependencies. The enormous …

Generation of high quality airy beams with blazed micro-optical cubic phase plates

J Wang, J Bu, M Wang, Y Yang, X Yuan - Applied optics, 2011 - opg.optica.org
We design and fabricate a hybrid refractive–diffractive cubic phase plate (CPP) with a
combined conventional blazed grating for generating high quality Airy beams. The grating …

Single-pass cutting of glass with a curved edge using ultrafast curving bessel beams and oblong airy beams

C Ungaro, A Liu - Optics & Laser Technology, 2021 - Elsevier
Single-pass cutting of glass substrates with a curved edge is demonstrated using ultrafast
curving Bessel and Airy beams, and the advantages of each beam are considered. To …

Formation of optical needles by Pancharatnam-Berry phase element for laser-induced modifications in transparent materials

P Gotovski, P Šlevas, E Nacius, V Jukna… - Laser-based Micro …, 2020 - spiedigitallibrary.org
Long focal lines with transverse spot sizes as small as a few wavelengths are called optical
needles. A zeroth order Bessel beam being a good example is widely used in such …